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5G Module Series

RM500Q-AE&RM502Q-AE Hardware Design

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Summary of Contents for RM500Q-AE

Page 1: ...RM500Q AE RM502Q AE Hardware Design 5G Module Series Version 1 0 0 Date 2020 10 22 Status Preliminary www quectel com ...

Page 2: ...thout prior notice Disclaimer While Quectel has made efforts to ensure that the functions and features under development are free from errors it is possible that these functions and features could contain errors inaccuracies and omissions Unless otherwise provided by valid agreement Quectel makes no warranties of any kind implied or express with respect to the use of features and functions under d...

Page 3: ...ctel wireless solutions co ltd Transmitting reproducing disseminating and editing this document as well as using the content without permission are forbidden Offenders will be held liable for payment of damages All rights are reserved in the event of a patent grant or registration of a utility model or design Copyright Quectel Wireless Solutions Co Ltd 2020 All rights reserved ...

Page 4: ...Q AE Hardware Design RM500Q AE RM502Q AE_Hardware_Design 4 83 About the Document Revision History Version Date Author Description 2020 10 22 Jared WANG Hank LIU Creation of the document 1 0 0 2020 10 22 Jared WANG Hank LIU Preliminary ...

Page 5: ...4 2 Reference Design for Power Supply 2834 3 5 Turn on and off Scenarios 2935 3 5 1 Turn on the Module 2935 3 5 2 Turn off the Module 3039 3 5 2 1 Turn off the Module through FULL_CARD_POWER_OFF 3039 3 5 2 2 Turn off the Module through AT Command 3140 3 6 Reset the Module 3242 3 7 U SIM Interface 3444 3 8 USB Interface 3649 3 9 PCIe Interface 3951 3 9 1 PCIe Operating Mode 3952 3 9 2 USB and PCIe ...

Page 6: ...ted by Antenna Connectors 6183 5 5 Antenna Installation 6184 5 5 1 Antenna Requirements 6184 5 5 2 Recommended RF Connector for Antenna Installation 6285 6 Reliability Radio and Electrical Characteristics 6688 6 1 Absolute Maximum Ratings 6688 6 2 Power Supply Requirements 6688 6 3 I O Requirements 6789 6 4 Operating and Storage Temperatures 6789 6 5 Current Consumption 6890 6 6 RF Output Power 70...

Page 7: ...in Definition of COEX Interface 4946 Table 20 Pin Definition of Antenna Tuner Control Interface 5047 Table 21 Definition of Configuration Pins 5047 Table 22 Configuration Pins List of M 2 Specification 5148 Table 23 GNSS Performance 5249 Table 24 RM500Q AE RM502Q AE Pin Definition of RF Antenna Interfaces 5451 Table 25 RM500Q AE RM502Q AE RF Antenna Mapping 5552 Table 26 RM500Q AE RM502Q AE Module...

Page 8: ...s Indications of WWAN_LED Signal错误未定义书签错误未定义书签 43 错误超链接引用无效 Table 16 State of the WAKE_ON_WAN Signal错误未定义书签错误未定义书签 44 错误超链接引用无效 Table 17 Function of the DPR Signal 错误未定义书签错误未定义书签 44 错误超链接引用无效 Table 18 Pin Definition of COEX Interface错误未定义书签错误未定义书签 45 错误超链接引用无效 Table 19 Pin Definition of Antenna Tuner Control Interface错误未定义书签错误未定义书签 45 错误超链接引用无效 Table 20 Definition of Configur...

Page 9: ...RM500Q AE RM502Q AE Current Consumption 错误未定义书签错误未定义书签 63 错误超链接引用无效 Table 35 RF Output Power 错误未定义书签错误未定义书签 68 错误超链接引用无效 Table 36 RM500Q AERM500Q AE RM502Q AE Conducted RF Receiving Sensitivity 错误未定义书签错误未定义书签 68 错误超链接引用无效 Table 37 Electrostatic Discharge Characteristics Temperature 25 º C Humidity 40 错误未定义书签错误未定义书签 71 错误超链接引用无效 Table 38 Related Documents 错误未定义书签错误未定义书签 78 错误超链...

Page 10: ...ents of M 2 Specification 41 Figure 20 PCIe Power on Timing Requirements of the Module 41 Figure 21 Primary Mode Timing 43 Figure 22 Auxiliary Mode Timing 44 Figure 23 W_DISABLE1 and W_DISABLE2 Reference Circuit 47 Figure 24 WWAN_LED Reference Circuit 47 Figure 25 WAKE_ON_WAN Signal Reference Circuit 48 Figure 26 Recommended Circuit of Configuration Pins 51 Figure 27 RM500Q AE RM502Q AE Reference ...

Page 11: ...5G Module Series RM500Q AE RM502Q AE Hardware Design RM500Q AE RM502Q AE_Hardware_Design 11 83 Figure 42 Tray Size Unit mm 78 Figure 43 Tray Packaging Procedure 79 ...

Page 12: ...helps you quickly understand the interface specifications electrical and mechanical details as well as other related information of RM500Q AE RM502Q AE To facilitate its application in different fields reference design is also provided for reference Associated with application notes and user guides customers can use the module to design and set up mobile applications easily This document is applic...

Page 13: ...craft Please consult the airline staff for more restrictions on the use of wireless devices on an aircraft Wireless devices may cause interference on sensitive medical equipment so please be aware of the restrictions on the use of wireless devices when in hospitals clinics or other healthcare facilities Cellular terminals or mobiles operating over radio signals and cellular network cannot be guara...

Page 14: ...ded operating systems such as Windows Linux and Android and also provides GNSS and voice functionality to meet specific application demands The following table shows the frequency bands and GNSS type of the module Table 1 Frequency Bands and GNSS Type of RM500Q AE RM502Q AE Module RM500Q AE RM502Q AE can be applied in the following fields Rugged tablet PC and laptop computer Remote monitor system ...

Page 15: ...2 B43 bands HPUE 1 Class 2 26 dBm 2 3 dB for 5G NR n41 n77 n78 n79 bands HPUE 1 5G NR Features Support 3GPP Rel 15 Modulations Uplink π 2 BPSK QPSK 16QAM 64QAM and 256QAM Downlink QPSK 16QAM 64QAM and 256QAM Support downlink 4 4 MIMO on n2 n7 25 n41 n66 n77 Support SCS 15 kHz 2 and 30 kHz 2 Supports 5G NR refarmed band bandwidth 20 MHz Supports 5G NR n41 n77 bandwidth 100 MHz Support SA and NSA op...

Page 16: ... SIM Interface Support U SIM card Class B 3 0 V and Class C 1 8 V U SIM interface Support Single U SIM USB Interface Compliant with USB 3 1 and 2 0 specifications with maximum transmission rates up to 10 Gbps on USB 3 1 and 480 Mbps on USB 2 0 Used for AT command communication data transmission firmware upgrade software debugging GNSS NMEA sentence output Support USB serial drivers for Windows 7 8...

Page 17: ...ithout any unrecoverable malfunction Radio spectrum and radio network will not be influenced while one or more specifications such as Pout may undergo a reduction in value exceeding the specified tolerances of 3GPP When the temperature returns to the normal operating temperature level the module will meet 3GPP specifications again 6 means under development 2 2 2 3 Functional Diagram The following ...

Page 18: ...USB 2 0 USB 3 1 U SIM1 WWAN_LED WAKE_ON_WAN NAND Flash 4Gb x8 LPDDR4X SDRAM 4Gb x16 RFFE W_DISABLE1 GPIOs Tx Rx Blocks ANT1 PCIe 1 GND DRx GNSS Figure 1 Functional Diagram 2 3 2 4 Evaluation Board To help with the development of applications conveniently with RM500Q AE RM502Q AE Quectel supplies the evaluation board PCIe Card EVB a USB to RS 232 converter cable a USB type C cable antennas and othe...

Page 19: ...0Q AE RM502Q AE comply with PCI Express M 2 specification This chapter mainly describes the definition and application of the following interfaces pins of the module Power supply U SIM interfaces USB interface PCIe interface PCM interface Control and indication interfaces COEX UART interface Antenna tuner control interface Configuration pins means under development NOTE ...

Page 20: ... GND 45 PCIE_TX_P 43 PCIE_TX_M 41 GND 39 USB_SS_RX_P 37 USB_SS_RX_M 35 GND 33 USB_SS_TX_P 31 USB_SS_TX_M 29 GND 27 DPR 25 WAKE_ON_WAN 23 CONFIG_0 21 Notch Notch Notch Notch GND 11 USB_DM 9 USB_DP 7 GND 5 GND 3 CONFIG_3 1 PIN11 PIN10 No Pin Name 74 VCC 72 VCC 70 VCC 68 AP2SDX_STATUS 66 USIM_DET 64 COEX_TXD 62 COEX_RXD 60 WLAN_TX_EN 58 RFFE_DATA 56 RFFE_CLK 54 PCIE_WAKE_N 52 PCIE_CLKREQ_N 50 PCIE_RS...

Page 21: ..._P 31 USB_SS_TX_M 29 GND 27 DPR 25 WAKE_ON_WAN 23 CONFIG_0 21 Notch Notch Notch Notch GND 11 USB_DM 9 USB_DP 7 GND 5 GND 3 CONFIG_3 1 PIN11 PIN10 No Pin Name 74 VCC 72 VCC 70 VCC 68 AP2SDX_STATUS 66 USIM_DET 64 COEX_TXD 62 COEX_RXD 60 WLAN_TX_EN 58 RFFE_DATA 56 RFFE_CLK 54 PCIE_WAKE_N 52 PCIE_CLKREQ_N 50 PCIE_RST_N 48 NC 46 NC 44 NC 42 NC 40 NC 38 SDX2AP_STATUS 36 USIM_VDD 34 USIM_DATA 32 USIM_CLK...

Page 22: ...nition and description of the module Table 4 Pin Description Pin No Pin Name I O Description Comment 1 CONFIG_3 DO Not connected internally 2 VCC PI Power supply Vmin 3 135 V Vnorm 3 7 V Vmax 4 4 V 3 GND Ground 4 VCC PI Power supply Vmin 3 135 V Vnorm 3 7 V Vmax 4 4 V 5 GND Ground 6 FULL_CARD_ POWER_OFF DI Turn on off of the module Internally pulled down with a 100 kΩ resistor When it is at low le...

Page 23: ...h 19 Notch Notch 20 PCM_CLK IO PCM data bit clock 1 8 V power domain 21 CONFIG_0 DO Not connected internally 22 PCM_DIN DI PCM data input 1 8 V power domain 23 WAKE_ON_WAN OD Wake up the host Open drain Active LOW 24 PCM_DOUT DO PCM data output 1 8 V power domain 25 DPR DI Dynamic power reduction High level by default 1 8 V power domain 26 W_DISABLE2 DI GNSS disable control 1 8 3 3 V power domain ...

Page 24: ... 3 1 super speed receive 38 SDX2AP_STATUS DO Status indication to AP 1 8 V power domain 39 GND Ground 40 NC NC 41 PCIE_TX_M AO PCIe transmit 42 NC NC 43 PCIE_TX_P AO PCIe transmit 44 NC NC 45 GND Ground 46 NC NC 47 PCIE_RX_M AI PCIe receive 48 NC NC 49 PCIE_RX_P AI PCIe receive 50 PCIE_RST_N DI PCIe reset Open drain Active LOW 51 GND Ground 52 PCIE_CLKREQ_N DO PCIe clock request Open drain Active ...

Page 25: ...V power domain 63 ANTCTL2 DO Antenna control 1 8 V power domain 64 COEX_TXD DO LTE WLAN coexistence transmit data 1 8 V power domain 65 RFFE_VIO_1V8 PO Power supply for RFFE 1 8 V power output 66 USIM_DET DI U SIM card insertion detection Internally pulled up to 1 8 V 67 RESET_N DI Reset the module Internally pulled up to 1 8 5 V with a 100 kΩ resistor Active LOW 68 AP2SDX_STATUS DI Status indicat...

Page 26: ...to network In this mode the power consumption is decided by network setting and data transfer rate Minimum Functionality Mode AT CFUN 0 command sets the module to a minimum functionality mode without removing the power supply In this mode both RF function and U SIM card are invalid Airplane Mode AT CFUN 4 command or driving W_DISABLE1 pin low will set the module to airplane mode In this mode the R...

Page 27: ...e a single voltage source To decrease voltage drop a bypass capacitor of about 100 µF with low ESR ESR 0 7 Ω should be used and a multi layer ceramic chip capacitor MLCC array also should be used due to its ultra low ESR It is recommended to use four ceramic capacitors 1 µF 100 nF 33 pF 10 pF for composing the MLCC array and place these capacitors close to VCC pins The width of VCC trace should be...

Page 28: ...desired output VCC 3 7 V Typ a buck DC DC converter is preferred as the power supply The following figure shows a reference design for 5 V input power source based on the DC DC TPS54319 The typical output of the power supply is about 3 7 V and the maximum load current is 3 A D1 TVS PWR_IN C8 220 μF C11 10 pF C10 33 pF C9 100 nF R1 205k U1 Q1 NPN R8 47k R7 4 7k PWR_EN R4 182k PWR_OUT L1 1 5 μH TPS5...

Page 29: ...resistor The following table shows the definition of FULL_CARD_POWER_OFF Table 776 Definition of FULL_CARD_POWER_OFF Pin The timing of turn on scenario is illustrated in the following figure VCC RESET_N Module power on or insertion detection USIM1_VDD USIM2_VDD Module Status FULL_CARD_POWER_OFF RFFE_VIO_1V8 System turn on and booting VIH 1 19 V 1 8 V or 3 0 V System booting Inactive Active tpower ...

Page 30: ... measured when RESET_N is not pulled down by the host device 2 tturn on is the interval between FULL_CARD_POWER_OFF high voltage level and RFFE_VIO_1V8 an internal LDO output high voltage level which is typically 68 ms 3 t0 is the interval between VCC and FULL_CARD_POWER_OFF high voltage level FULL_CARD_POWER_OFF could be pulled up at any time decided by the host as shown in figure above 4 tbootin...

Page 31: ... 2 2 Turn off the Module through AT Command It is also a safe way to use AT QPOWD command to turn off the module For more details about the command see document 2 The module is designed to be turned on with a host GPIO Pull down FULL_CARD_POWER_OFF pin after the module s USB PCIe is removed Otherwise the module will be powered on again VCC FULL_CARD_POWER_OFF RUNNING OFF Module Status Turn off pro...

Page 32: ...al will lead to loss of all data in the modem and the removal of system drivers It will also disconnect the modem from the network Table 887 Definition of RESET_N Pin The module can be reset by pulling down the RESET_N pin for 200 700 ms An open collector drain driver or button can be used to control the RESET_N pin Host Module RESET_N Reset Logic GPIO 67 VDD 1 5 V Reset pulse 200 700 ms R1 100k R...

Page 33: ... 10R Q2 NMOS Figure 11 Reference Circuit of RESET_N with NMOS Driving Circuit Module RESET_N Reset Logic 67 VDD 1 5V 200 700 ms S1 TVS R1 100k 33 pF C1 Note The capacitor C1 is recommended to be less than 47 pF The reset scenario is illustrated in the following figure VIL 0 5 V VCC 200 ms Resetting Module Status Running RESET_N Restart 700 ms Figure 1213 Resetting Timing of the Module ...

Page 34: ...ng edge indicates an insertion of the U SIM card When the U SIM card is removed USIM_DET will change from high to low voltage level This falling edge indicates a removal of the U SIM card Normally Closed U SIM Card Connector When the U SIM is absent CD is short circuited to ground and USIM_DET is at low voltage level When the U SIM is inserted CD is open from ground and USIM_DET is at high voltage...

Page 35: ... the U SIM is inserted CD1 is short circuited to 1 8 V and USIM_DET is at high voltage level The following figure shows a reference design of U SIM interface with a normally open NO U SIM card connector Module U SIM Card Connector USIM_DET USIM_DATA USIM_CLK RST CLK CD1 IO USIM_VDD USIM_VDD USIM_RST VCC GND VPP GND TVS Note All these resistors capacitors and TVS should be close to U SIM card conne...

Page 36: ...le and the U SIM card connector is short and wide Keep the trace width of ground and USIM_VDD no less than 0 5 mm to maintain the same electric potential To avoid cross talk between USIM_DATA and USIM_CLK keep them away from each other and shield them with surrounded ground To offer better ESD protection add a TVS diode array of which the parasitic capacitance should be not higher than 10 pF Add 2...

Page 37: ...ble 10109 Pin Definition of USB Interface means under development For more details about the USB 3 1 2 0 specifications please visit http www usb org home The USB 2 0 interface is recommended to be reserved for firmware upgrade in designs The following figure shows a reference circuit of USB 3 1 2 0 interface Pin No Pin Name I O Description Comment 7 USB_DP AI AO USB 2 0 differential data bus Requ...

Page 38: ...fications Route the USB signal traces as differential pairs with ground surrounded The impedance of differential trace of USB 2 0 and 3 1 is 90 Ω For USB 2 0 signal traces the trace length should be less than 120 mm and the differential data pair matching should be less than 2 mm For USB 3 1 signal traces length matching of each differential data pair Tx Rx should be less than 0 7 mm while the mat...

Page 39: ...ts endpoint EP mode and root complex RC mode In EP mode the module is configured as a PCIe EP device In RC mode the module is configured as a PCIe root complex The following figure shows a reference circuit for the PCIe interface Pin No Pin Name I O Description Comment 55 PCIE_REFCLK_P AI AO PCIe reference clock 100 MHz Require differential impedance of 85 Ω 53 PCIE_REFCLK_M AI AO PCIe reference c...

Page 40: ...voltage level of VCC_IO_HOST depends on the host side due to the open drain in pins 50 52 and 54 C6 220 nF C5 220 nF C2 220 nF C1 220 nF R1 100k R2 100k R3 100k VCC_IO_HOST R5 0R R4 0R Figure 17 PCIe Interface Reference Circuit AT QCFG pcie mode is used to set PCIe RC EP mode For more details about the command see document 2 To ensure the signal integrity of PCIe interface AC coupling capacitors C...

Page 41: ... on FULL_CARD_POWER_OFF RESET_N Figure 19 PCIe Power on Timing Requirements of the Module The following principles of PCIe interface design should be complied with so as to meet PCIe specification Keep the PCIe data and control signals away from sensitive circuits and signals such as RF audio crystal and oscillator signals Add a capacitor in series on Tx Rx traces to prevent any DC bias Keep the m...

Page 42: ...ocument 2 It is suggested that USB 2 0 interface be reserved for firmware upgrade USB AT based PCIe Mode Supports MBIM QMI QRTR AT Communication can be switched back to USB mode by AT command When RM500Q AE RM502Q AE module works at the USB AT based switched from USB mode by AT command PCIe mode it supports MBIM QMI QRTR AT and can be switched back to USB mode by AT command But the firmware upgrad...

Page 43: ...edge of the PCM_CLK and transmitted on the rising edge The PCM_SYNC falling edge represents the MSB In this mode the PCM interface supports 256 kHz 512 kHz 1024 kHz or 2048 kHz PCM_CLK at 8 kHz PCM_SYNC and also supports 4096 kHz PCM_CLK at 16 kHz PCM_SYNC In auxiliary mode the data is sampled on the falling edge of the PCM_CLK and transmitted on the rising edge The PCM_SYNC rising edge represents...

Page 44: ...e configured by AT command and the default configuration is master mode using short frame synchronization format with 2048 kHz PCM_CLK and 8 kHz PCM_SYNC See document 2 for details about AT QDAI command means under development Pin No Pin Name I O Description Comment 20 PCM_CLK IO PCM data bit clock 1 8 V power domain In master mode it is an output signal In slave mode it is an input signal If unus...

Page 45: ...n airplane mode the RF function will be disabled The RF function can also be enabled or disabled through software AT commands The following table shows the RF function status of the module Pin No Pin Name I O Description Comment 8 W_DISABLE1 DI Airplane mode control Active LOW 1 8 3 3 V 10 WWAN_LED OD Indicate RF status of the module Open drain and active low signal 23 WAKE_ON_WAN OD Wake up the h...

Page 46: ...ple level shifter based on diodes is used on W_DISABLE1 pin and W_DISABLE2 pin which are pulled up to a 1 8 V voltage in the module as shown in the following figure So the control signals GPIO of the host device could be aat 1 8 V or 3 3 V voltage level W_DISABLE1 and W_DISABLE2 are active low signals and a reference circuit is shown as below W_DISABLE1 Level AT Commands RF Function Status High Le...

Page 47: ...W_DISABLE2 Reference Circuit 3 9 4 3 11 3 WWAN_LED The WWAN_LED signal is used to indicate RF status of the module and its sink current is up to 10 mA In order tTo reduce current consumption of the LED a current limited resistor must be placed in series with the LED as illustrated in the figure below The LED is ON when the WWAN_LED signal is at low level Host Module WWAN_LED PMU GPIO 10 VCC Note T...

Page 48: ...IO_HOST Note The voltage level on VCC_IO_HOST depends on the host side due to the open drain in pin 23 Wake up the host 1s H L R1 10k Figure 24 WAKE_ON_WAN Signal Reference Circuit 3 9 6 3 11 5 DPR RM500Q AE RM502Q AE module provides a DPR Dynamic Power Reduction pin for body SAR WWAN_LED Level Description Low Level LED ON RF function is turned on High Level LED OFF RF function is turned off if an...

Page 49: ...o IPQ807x device and pin 68 AP2SDX_STATUS inputs the status indication signal from IPQ807x device 3 10 3 12 Cellular WLAN Interface RM500Q AE RM502Q AE module provides a cellular WLAN COEX interface the following table shows the pin definition of this interface Table 191918 Pin Definition of COEX Interface DPR Level Function High Floating NO max transmitting power backoff Low Max transmitting powe...

Page 50: ...n Definition of Antenna Tuner Control Interface means under development 3 12 3 14 Configuration Pins RM500Q AE RM502Q AE module provides four configuration pins which are defined as below Table 21 Definition of Configuration Pins Pin No Pin Name I O Description DC Characteristics 56 RFFE_CLK DO Used for external MIPI IC control VOLmax 0 45 V VOHmin 1 35 V VOHmax 1 8 V 58 RFFE_CLKDAT A DO 61 ANTCTL...

Page 51: ...0Ω NM 0Ω 0Ω Note The voltage level of VCC_IO_HOST depends on the host side and could be 1 8 V or 3 3 V Figure 25 Recommended Circuit of Configuration Pins Table 222221 Configuration Pins List of M 2 Specification 69 CONFIG_1 DO 0 Connected to GND internally 75 CONFIG_2 DO 0 Not connected internally 1 CONFIG_3 DO 0 Not connected internally Config_0 Pin 21 Config_1 Pin 69 Config_2 Pin 75 Config_3 Pi...

Page 52: ...update rate via USB interface by default By default the module GNSS engine is switched off It has to be switched on via AT command For more details about GNSS engine technology and configurations see document 3 4 2 GNSS Performance The following table shows GNSS performance of RM500Q AE RM502Q AE Table 232322 GNSS Performance Parameter Description Conditions Typ Unit Sensitivity GNSS Cold start Au...

Page 53: ...nutes continuously 2 Reacquisition sensitivity the minimum GNSS signal power required for the module to maintain lock within 3 minutes after the loss of lock 3 Cold start sensitivity the minimum GNSS signal power at which the module can fix position successfully within 3 minutes after executing cold start command Hot start open sky Autonomous TBD s XTRA enabled TBD s Accuracy GNSS CEP 50 Autonomou...

Page 54: ...rfaces Pin Name I O Description Comment ANT0 AI AO Antenna0 interface 5G NR MHB_TRx n41 n77 n78 n79_PRX MIMO LTE MHB_TRx UHB_PRX MIMO WCDMA MHB_TRx 50 Ω impedance ANT1 AI AO Antenna1 interface 5G NR LB_TRx MHB_DRx MIMO n41_DRX n77 n78 n79_DRx MIMO LTE LB_TRx MHB_DRx MIMO UHB_DRx MIMO LAA_PRx WCDMA LB_TRx 50 Ω impedance ANT2 AI AO Antenna2 interface 5G NR MHB_PRX MIMO n41 n77 n78 n79 TRX LTE LB_DRX...

Page 55: ...DRx_ MIMO 617 to 960 1452 to 2690 3300 to 4200 ANT2 LB_DRx LB_DRx MHB_PRx MIMO UHB_TRx 1 TRx TRx 617 to 960 1452 to 2690 3300 to 4200 ANT3_ GNSSL1 MHB DRx MHB_DRx UHB_DRX LAA_DRx DRx_ MIMO DRx 1452 to 2690 3300 to 4200 1 1 LTE UHB frequency range 3400 5000 MHz 1 LTE UHB frequency range 3400 5000 MHz Band Name Transmit MHz Receive MHz LTE FDD LTE TDD UMTS 5G NR PCS 1900 1850 1910 1930 1990 B2 B2 n2...

Page 56: ... characteristic impedance for antenna trace as 50 Ω 2 Place the π type matching components as close to the antenna as possible 3 Digital circuits such as U SIM card USB interface camera module display connector and SD card should be kept away from the antenna traces 4 Keep 75 dB PCB isolation between two antenna traces 5 Keep 15 dB isolation between each antenna to improve the receiving sensitivit...

Page 57: ...uld be kept away from the antenna traces 4 Keep 75 dB isolation between two antenna traces 5 Keep 15 dB isolation between each antenna to improve the receiving sensitivity 5 3 Reference Design of RF Layout For user s PCB the characteristic impedance of all RF traces should be controlled as 50 Ω The impedance of the RF traces is usually determined by the trace width W the materials dielectric const...

Page 58: ...lly used in RF layout for characteristic impedance control The following are reference designs of microstrip or coplanar waveguide with different PCB structures Figure 27 Microstrip Design on a 2 layer PCB Figure 28 Coplanar Waveguide Design on a 2 layer PCB Figure 29 Coplanar Waveguide Design on a 4 layer PCB Layer 3 as Reference Ground ...

Page 59: ... be as short as possible and all the right angle traces should be changed to curved ones The recommended trace angle is 135 There should be clearance under the signal pin of the antenna connector or solder joint The reference ground of RF traces should be complete Meanwhile adding some ground vias around RF traces and the reference ground could help to improve RF performance The distance between t...

Page 60: ...Series RM500Q AE RM502Q AE Hardware Design RM500Q AE RM502Q AE_Hardware_Design 60 83 ANT0 ANT1 ANT2 ANT3_GNSS Figure 31 RM500Q AE Antenna Connectors ANT0 ANT1 ANT2 ANT3_GNSS Figure 32 RM502Q AE Antenna Connectors ...

Page 61: ... LTE 5G NR antenna and GNSS antenna Pin Name Description Frequency ANT0 Antenna0 interface 5G NR MHB_TRx n41 n77 _PRx MIMO LTE MHB_TRx UHB_PRx MIMO WCDMA MHB_TRx 1400 5000 MHz ANT1 Antenna1 interface 5G NR LB_TRx MHB_DRx MIMO n41_DRx n77_DRx MIMO LTE LB_TRx MHB_DRx MIMO UHB_DRx MIMO LAA_PRx WCDMA LB_TRX 600 6000 MHz ANT2 Antenna2 interface 5G NR MHB_PRx MIMO n41 n77 TRx LTE LB_DRx MHB_PRx MIMO UHB...

Page 62: ...e RF connectors for convenient antenna connection Type Requirements GNSS Frequency range 1559 1606 MHz Polarization RHCP or linear VSWR 2 Typ Passive antenna gain 0 dBi WCDMA LTE 5G NR VSWR 3 Efficiency 30 Input Impedance 50 Ω Cable insertion loss 1 dB WCDMA B5 LTE B5 B12 B13 B14 B17 B26 B71 5G NR n5 n12 n71 Cable insertion loss 1 5 dB WCDMA B2 B4 LTE B2 B4 B25 B66 5G NR n2 n25 n66 Cable insertion...

Page 63: ... conjunction with the module will accept two types of mating plugs that will meet a maximum height of 1 2 mm using a Ø0 81 mm coaxial cable or a maximum height of 1 45 mm utilizing a Ø1 13 mm coaxial cable The following figure shows the specifications of mating plugs using Ø0 81 mm coaxial cables Item Specification Nominal Frequency Range DC to 6 GHz Nominal Impedance 50 Ω Temperature Rating 40 C ...

Page 64: ...owing figure illustrates the connection between the receptacle RF connector on the module and the mating plug using a Ø0 81 mm coaxial cable Figure 3536 Connection between RF Connector and Mating Plug Using Ø0 81 mm Coaxial Cable The following figure illustrates the connection between the receptacle RF connector on the module and the mating plug using a Ø1 13 mm coaxial cable ...

Page 65: ...5G Module Series RM500Q AE RM502Q AE Hardware Design RM500Q AE RM502Q AE_Hardware_Design 65 83 Figure 36 Connection between RF Connector and Mating Plug Using Ø1 13 mm Coaxial Cable ...

Page 66: ...e following table Table 31 Absolute Maximum Ratings 6 2 Power Supply Requirements The typical input voltage of the module is 3 7 V as specified by PCIe M 2 Electromechanical Specification Rev 1 0 The following table shows the power supply requirements of the module Table 32 Power Supply Requirements Parameter Min Max Unit VCC 0 3 4 7 V Voltage at Digital Pins 0 3 2 3 V Parameter Description Min Ty...

Page 67: ...et this extended temperature range you need to ensure effective thermal dissipation for example by adding passive or active heatsinks heat pipes vapor chambers etc Within this range the module remains the ability to establish and maintain functions such as voice SMS emergency call etc without any unrecoverable malfunction Radio spectrum and radio network are not Parameter Description Min Max Unit ...

Page 68: ...FUN 0 USB disconnected TBD mA WCDMA PF 64 USB disconnected TBD mA WCDMA PF 128 USB disconnected TBD mA WCDMA PF 512 USB disconnected TBD mA LTE FDD PF 32 USB disconnected TBD mA LTE FDD PF 64 USB disconnected TBD mA LTE FDD PF 128 USB disconnected TBD mA LTE TDD PF 32 USB disconnected TBD mA LTE TDD PF 64 USB disconnected TBD mA LTE TDD PF 128 USB disconnected TBD mA Idle state WCDMA PF 64 USB dis...

Page 69: ...D mA LTE FDD B13 CH5230 23 dBm TBD mA LTE FDD B14 CH5330 23 dBm TBD mA LTE FDD B17 CH5790 23 dBm TBD mA LTE FDD B25 CH8365 23 dBm TBD mA LTE FDD B26 CH8865 23 dBm TBD mA LTE FDD B30 CH9820 23 dBm TBD mA LTE TDD B38 CH38000 23 dBm TBD mA LTE TDD B41 CH40620 23 dBm TBD mA LTE TDD B48 CH55990 23 dBm TBD mA LTE FDD B66 CH66886 23 dBm TBD mA LTE FDD B71 CH68761 23 dBm TBD mA 5G NR data transfer GNSS OF...

Page 70: ...3 dBm TBD mA 5G NR FDD n5 CH176300 23 dBm TBD mA 5G NR FDD n5 CH177800 23 dBm TBD mA 5G NR FDD n7 CH525000 23 dBm TBD mA 5G NR FDD n7 CH531000 23 dBm TBD mA 5G NR FDD n7 CH537000 23 dBm TBD mA 5G NR FDD n12 CH146800 23 dBm TBD mA 5G NR FDD n12 CH147500 23 dBm TBD mA 5G NR FDD n12 CH148200 23 dBm TBD mA 5G NR FDD n66 CH423000 23 dBm TBD mA 5G NR FDD n66 CH429000 23 dBm TBD mA 5G NR FDD n66 CH435000...

Page 71: ...n WCDMA WCDMA bands 24 dBm 1 3 dB Class 3 50 dBm LTE LTE bands 23 dBm 2 dB Class 3 40 dBm LTE HPUE bands B38 B41 26 dBm 2 dB Class 2 40 dBm 5G NR 5G NR bands 23 dBm 2 dB Class 3 40 dBm BW 5 20 MHz 1 5G NR HUPE bands n41 n77 26 dBm 2 3 dB Class 2 40 dBm BW 5 20 MHz 1 Mode Frequency Primary Diversity SIMO 1 3GPP SIMO WCDMA WCDMA B2 TBD TBD TBD 106 7 dBm WCDMA B4 TBD TBD TBD 106 7 dBm WCDMA B5 TBD TB...

Page 72: ... dBm LTE TDD B38 10 MHz TBD TBD TBD 96 3 dBm LTE TDD B41 10 MHz TBD TBD TBD 94 3 dBm LTE TDD B48 10 MHz TBD TBD TBD 95 dBm LTE FDD B66 10 MHz TBD TBD TBD 96 5 dBm LTE FDD B71 10 MHz TBD TBD TBD 94 2 dBm 5G NR 5G NR FDD n2 20 MHz SCS 15 kHz TBD TBD TBD 94 0 dBm 5G NR FDD n5 10 MHz SCS 15 kHz TBD TBD TBD 95 0 dBm 5G NR FDD n7 20 MHz SCS 15 kHz TBD TBD TBD 92 0 dBm 5G NR FDD n12 10 MHz SCS 15 kHz TBD...

Page 73: ...ture 25 º C Humidity 40 6 9 Thermal Dissipation RM500Q AE RM502Q AE is designed to work over an extended temperature range In order to achieve a maximum performance while working under extended temperatures or extreme conditions such as with maximum power or data rate for a long time it is strongly recommended to add a thermal pad or other thermally conductive compounds between the module and the ...

Page 74: ... mask on the main PCB where the module s thermal dissipation area is located Select an appropriate material thickness and surface for the outer housing i e the mechanical enclosure of the application device that integrates the module so that it provides good thermal dissipation Customers may also need active cooling to pull heat away from the module If possible add a heatsink on the top of the mod...

Page 75: ...5G Module Series RM500Q AE RM502Q AE Hardware Design RM500Q AE RM502Q AE_Hardware_Design 75 83 react with the PCB or shielding cover and prevent the coating material from flowing into the module ...

Page 76: ...mensions and Packaging This chapter mainly describes mechanical dimensions and packaging specifications of RM500Q AE RM502Q AE All dimensions are measured in mm and the tolerances are 0 05 mm unless otherwise specified 7 1 Mechanical Dimensions of the Module Figure 38 Mechanical Dimensions of the Module Unit mm ...

Page 77: ...AE Hardware Design RM500Q AE RM502Q AE_Hardware_Design 77 83 7 2 Top and Bottom Views of the Module Top View Bottom View Figure 3940 RM500Q AE Top View and Bottom view Bottom View Top View Figure 4041 RM502Q AE Top View and Bottom View ...

Page 78: ...re packaged in trays The following figure shows the tray size Figure 4142 Tray Size Unit mm Each tray contains 10 modules The smallest package contains 100 modules Tray packaging procedures are as below 1 Use 10 trays to package 100 modules at a time tray size 247 mm 172 mm 2 Place an empty tray on the top of the 10 tray stack 3 Fix the stack with masking tape in shape as shown in the following fi...

Page 79: ...5G Module Series RM500Q AE RM502Q AE Hardware Design RM500Q AE RM502Q AE_Hardware_Design 79 83 Figure 4243 Tray Packaging Procedure ...

Page 80: ... RM5xxQ_Series_GNSS_ Application_Note The GNSS application note for RG50xQ and RM5xxQ series 4 Quectel_RF_Layout_Application_Note RF layout application note 5 PCI Express M 2 Specification Rev3 0 PCI express M 2 specification Abbreviation Description bps Bit Per Second DFOTA Delta Firmware Upgrade Over The Air DL Downlink DPR Dynamic Power Reduction EIRP Equivalent Isotropically Radiated Power ESD...

Page 81: ...ong Term Evolution Mbps Mega Bits Per Second ME Mobile Equipment MIMO Multiple Input Multiple Output MLCC Multiplayer Ceramic Chip Capacitor MO Mobile Originated MT Mobile Terminated PAP Password Authentication Protocol PCB Printed Circuit Board PCIe Peripheral Component Interconnect Express PCM Pulse Code Modulation PDU Protocol Data Unit PME Power Management Event PPP Point to Point Protocol RF ...

Page 82: ... device maintain at least a 20 cm separation between the EUT and the user s body and must not transmit simultaneously with any other antenna or transmitter UART Universal Asynchronous Receiver Transmitter UL Uplink URC Unsolicited Result Code USB Universal Serial Bus U SIM Universal Subscriber Identity Module VIH Input High Voltage Level VIL Input Low Voltage Level VOH Output High Voltage Level VO...

Page 83: ...ication requirements Antennas Technology Frequency Range MHz Antenna Type Max Peak Gain dBi WCDMA LTE Band 2 n2 1850 1910 Dipole 0 25 WCDMA LTE Band 4 1710 1755 1 47 WCDMA LTE Band 5 n5 824 849 2 68 LTE Band 7 n7 2500 2570 0 55 LTE Band 12 n12 699 716 0 20 LTE Band 13 777 787 1 54 LTE Band 14 788 798 2 42 LTE Band 17 704 716 0 20 LTE Band 25 n25 1850 1915 0 25 LTE Band 26 814 849 2 68 LTE Band 30 ...

Page 84: ...Label and compliance information Refer to FCC Label Information on test modes and additional testing requirements Not Applicable Additional testing Part 15 Subpart B disclaimer Refer to FCC 15B Report ...

Page 85: ...t a 20 cm separation between the EUT and the user s body and must not transmit simultaneously with any other antenna or transmitter 3 A label with the following statements must be attached to the host end product This device contains FCC ID XMR2020RM502QAE 4 To comply with FCC regulations limiting both maximum RF output power and human exposure to RF radiation maximum antenna gain including cable ...

Page 86: ...visible then an additional permanent label referring to the enclosed module Contains Transmitter Module FCC ID XMR2020RM502QAE or Contains FCC ID XMR2020RM502QAE must be used The host OEM user manual must also contain clear instructions on how end users can find and or access the module and the FCC ID The final host module combination may also need to be evaluated against the FCC Part 15B criteria...

Page 87: ... harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the r...

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