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5G Module Series

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7.2. Standard Dimensions of Mini PCI Express

RG255C-GL Mini PCIe adopts a standard Mini PCI Express connector which compiles with the

directives and standards listed in the

PCI Express Mini Card Electromechanical Specification

Revision 1.2

. The following figure takes the Molex 679105700 as an example.

Figure 22: Standard Dimensions of Mini PCI Express Connector (Molex 679105700)

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Summary of Contents for RG255C-GL

Page 1: ...RG255C GL Mini PCIe Hardware Design 5G Module Series Version 1 0 0 Date 2023 08 25 Status Preliminary...

Page 2: ...we employ commercially reasonable efforts to provide the best possible experience you hereby acknowledge and agree that this document and related services hereunder are provided to you on an as avail...

Page 3: ...To implement module functionality certain device data are uploaded to Quectel s or third party s servers including carriers chipset suppliers or customer designated servers Quectel strictly abiding b...

Page 4: ...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 Terminals or mobiles op...

Page 5: ...i_PCIe_Hardware_Design 4 57 About the Document Revision History Version Date Author Description 2023 08 25 Mike CHEN Ethan FANG Sherlock ZHAO Creation of the document 1 0 0 2023 08 25 Mike CHEN Ethan...

Page 6: ...Characteristics 19 3 1 Operating Modes 19 3 2 Sleep Mode 20 3 3 Airplane Mode 20 3 4 Power Supply 21 4 Application Interfaces 22 4 1 U SIM Interface 22 4 2 USB Interface 24 4 3 UART 25 4 4 PCM and I2...

Page 7: ...acturers of RF Connector and Cable 42 6 Electrical Characteristics and Reliability 43 6 1 Power Supply Requirements 43 6 2 Digital I O Characteristic 44 6 3 ESD Protection 44 6 4 Power Consumption 45...

Page 8: ...Controlled by Hardware Method 30 Table 14 Airplane Mode Controlled by Software Method 30 Table 15 Indications of Network Status AT QCFG ledmode 0 Default Setting 32 Table 16 Indications of Network Sta...

Page 9: ...gure 11 Reference Circuit of PCM and I2C Application with Audio Codec 28 Figure 12 RI Behaviors 30 Figure 13 Reset Timing 31 Figure 14 LED_WWAN Signal Reference Circuit Diagram 32 Figure 15 WAKE Behav...

Page 10: ...ormation of the module The document coupled with application notes and user guides makes it easy to design and set up wireless applications with the module 1 1 Special Mark Table 1 Special Mark Mark D...

Page 11: ...onal to meet your specific application demands RG255C GL Mini PCIe module can be applied in the following fields PDA and laptop computer Remote monitor system Wireless POS system Intelligent meter rea...

Page 12: ...23 dBm 2 dB 5G NR n38 n40 n41 n77 n78 n79 HPUE 1 Class 2 26 dBm 2 3 dB LTE bands Class 3 23 dBm 2 dB LTE B38 B40 B41 B42 B43 HPUE 1 Class 2 26 dBm 2 dB 5G NR Features Supports 3GPP Rel 17 Red Cap 5G N...

Page 13: ...FTP S HTTP S MQTT S SMTP S NTP PING NITZ LwM2M protocols USB Tethering RmNet RNDIS ECM DUN MBIM SMS Only Support SGS IMS and NAS SMS Text and PDU modes Point to point MO and MT SMS cell broadcast SMS...

Page 14: ...ress Interface USB W_DISABLE PERST LED_WWAN Main Antenna Connector VCC_3V3 Main Antenna VBAT GNSS Antenna Connector GNSS Antenna Boost Circuit Diversity Antenna Connector Diversity Antenna WAKE UART D...

Page 15: ...DTR RESERVED GND GND VCC_3V3 VCC_3V3 GND PCM_CLK PCM_DOUT PCM_DIN PCM_SYNC Pin Name Pin No 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 VCC_3V3 GND NC USIM_VDD USIM_DATA...

Page 16: ...Wake up the host 2 VCC_3V3 PI Power supply for the module Vmin 3 0 V Vnom 3 3 V Vmax 3 6 V 3 RESERVED Reserved 4 GND Ground 5 RESERVED Reserved 6 NC Not connected 7 RESERVED Reserved 8 USIM_VDD PO U...

Page 17: ...amental reset 3 3 V Pulled up by default Active low 23 CTS DI Clear to send signal to the module 3 3 V 24 RESERVED Reserved 25 RTS DO Request to send signal from the module 3 3 V 26 GND Ground 27 GND...

Page 18: ...PI Power supply for the module Vmin 3 0 V Vnom 3 3 V Vmax 3 6 V 40 GND Ground 41 VCC_3V3 PI Power supply for the module Vmin 3 0 V Vnom 3 3 V Vmax 3 6 V 42 LED_WWAN OC LED signal for indicating the ne...

Page 19: ...l NC RESERVED and unused pins unconnected 2 6 EVB Kit Quectel supplies an evaluation board Mini PCIe EVB with accessories to develop and test the module For more details see documents 2 52 VCC_3V3 PI...

Page 20: ...consumption varies with the network setting and data transmission rate Airplane Mode AT CFUN 4 or W_DISABLE pin can set the module to airplane mode where the RF function is invalid and all AT command...

Page 21: ...he DTR is kept at high level or be kept open Ensure the host s USB bus which is connected with the module s USB interface enters suspend state Power Consumption Run Time DRX OFF ON OFF ON OFF ON OFF O...

Page 22: ...er supply is used to power the module the power device and the routing traces of the switching power supply should avoid the antennas as much as possible to prevent EMI interference The following figu...

Page 23: ...e following table shows the pin definition of U SIM interface Table 8 Pin Definition of U SIM Interface RG255C GL Mini PCIe supports U SIM card hot plug via the USIM_DET pin The function supports low...

Page 24: ...ct is not needed keep USIM_DET unconnected A reference circuit for U SIM interface with a 6 pin U SIM card connector is illustrated in the following figure USIM_VDD GND USIM_RST USIM_CLK USIM_DATA 0R...

Page 25: ...SIM peripheral circuit should be close to the U SIM card connector The pull up resistor on USIM_DATA trace can improve anti jamming capability when long layout trace and sensitive occasion are applie...

Page 26: ...lied with when design the USB interface Route the USB signal traces as differential pairs with ground surrounded The impedance of USB differential trace is 90 Do not route signal traces under crystals...

Page 27: ...er Supply AT IPR can be used to set the baud rate of the main UART and AT IFC can be used to set the hardware flow control hardware flow control is disabled by default See document 3 for details 4 4 P...

Page 28: ...tes at 16 kHz PCM_CLK PCM_SYNC PCM_DOUT MSB LSB MSB 1 2 256 255 PCM_DIN MSB LSB MSB 125 s Figure 9 Timing in Primary Mode In auxiliary mode data is also sampled on the falling edge of the PCM_CLK and...

Page 29: ...rame mode master mode PCM_CLK 2048 kHz PCM_SYNC 8 kHz 16 bit linear data format In addition RG255C GL Mini PCIe s firmware has integrated the configuration on some PCM codec s application with I2C int...

Page 30: ..._CLK 2 The module can only be used as a master device in applications related to PCM and I2C interfaces Pin Name Pin No I O Description Comment RI 17 DO Ring indication 3 3 V power domain DTR 31 DI Sl...

Page 31: ...and AT QCFG airplanecontrol 1 can be used to enable the function Driving the pin low after its control function for airplane mode is enabled by AT command which can make the module enter the airplane...

Page 32: ...al is sensitive to interference The traces should be as short as possible and be surrounded with ground The reset scenario is illustrated in the following figure VIL 0 5 V VIH 2 3 V VCC_3V3 150 ms Res...

Page 33: ...w 1800 ms High Network searching Flicker slowly 1800 ms Low 200 ms High Idle Flicker quickly 125 ms Low 125 ms High Data transmission is ongoing Always Low Voice calling Table 16 Indications of Networ...

Page 34: ...5G Module Series RG255C GL_Mini_PCIe_Hardware_Design 33 57 URC returns High Low external pull up 120 ms Figure 15 WAKE Behaviors...

Page 35: ...cific application It is required to perform a comprehensive functional test for the RF design before mass production of terminal products The entire content of this chapter is provided for illustratio...

Page 36: ...10 MHz TBD TBD TBD TBD LTE FDD B2 10 MHz TBD TBD TBD TBD LTE FDD B3 10 MHz TBD TBD TBD TBD LTE FDD B4 10 MHz TBD TBD TBD TBD LTE FDD B5 10 MHz TBD TBD TBD TBD LTE FDD B7 10 MHz TBD TBD TBD TBD LTE FDD...

Page 37: ...D B70 10 MHz TBD TBD TBD TBD LTE FDD B71 10 MHz TBD TBD TBD TBD 5G NR 5G NR FDD n1 20 MHz TBD TBD TBD TBD 5G NR FDD n2 20 MHz TBD TBD TBD TBD 5G NR FDD n3 20 MHz TBD TBD TBD TBD 5G NR FDD n5 20 MHz TB...

Page 38: ...G NR TDD n41 20 MHz TBD TBD TBD TBD 5G NR FDD n48 20 MHz TBD TBD TBD TBD 5G NR FDD n66 20 MHz TBD TBD TBD TBD 5G NR FDD n70 20 MHz TBD TBD TBD TBD 5G NR FDD n71 20 MHz TBD TBD TBD TBD 5G NR TDD n77 20...

Page 39: ...For more details about GNSS engine technology and configurations see document 3 5 2 3 1 GNSS Frequency Table 20 GNSS Frequency Unit MHz 5 2 3 2 GNSS Performance The following table shows GNSS performa...

Page 40: ...signal power at which the module can maintain lock keep positioning for at least 3 minutes continuously 5 3 Recommended Mating Plugs for Antenna Connection RG255C GL Mini PCIe is mounted with RF conne...

Page 41: ...40 57 U FL LP mating plugs listed in the following figure can be used to match the receptacles Figure 17 Mechanicals of U FL LP Mating Plugs The following figure describes the space factor of mating...

Page 42: ...emble Coaxial Cable Plug Manually The illustration for plugging in a coaxial cable plug is shown below 90 is acceptable while 90 is not Figure 41 Plug in a Coaxial Cable Plug The illustration of pulli...

Page 43: ...pictures of installing the coaxial cable plug with a jig is shown below 90 is acceptable while 90 is not Figure 43 Install the Coaxial Cable Plug with Jig 5 3 2 Recommended Manufacturers of RF Connec...

Page 44: ...al I O characteristics ESD protection Power consumption Thermal dissipation 6 1 Power Supply Requirements The input voltage of RG255C GL Mini PCIe is 3 0 3 6 V as specified by PCI Express Mini Card El...

Page 45: ...rmeasures and handling methods is imperative For example wear anti static gloves during the development production assembly and testing of the module add ESD protection components to the ESD sensitive...

Page 46: ...kV Mode Condition Band Combination Typ Unit Turn off Power off TBD A RF Disabled AT CFUN 0 USB 2 0 suspend TBD mA AT CFUN 4 USB 2 0 suspend TBD mA Idle mode SA PF 64 USB 2 0 active TBD mA SA PF 64 USB...

Page 47: ...odule The module offers the best performance when all internal IC chips are working within their operating temperatures When the IC chip reaches or exceeds the maximum junction temperature the module...

Page 48: ...en the heatsink is necessary Do not place large size components in the area where the module is mounted on your PCB to reserve enough place for heatsink installation Attach the heatsink to the shieldi...

Page 49: ...can execute AT QTEMP and get the maximum BB chip temperature from the first returned value For more details of the command see document 3 6 6 Notification Please follow the principles below in the mo...

Page 50: ...ensions as well as packaging specification of RG255C GL Mini PCIe module All dimensions are measured in millimeter mm and the dimensional tolerances are 0 15 mm unless otherwise specified 7 1 Mechanic...

Page 51: ...PCIe adopts a standard Mini PCI Express connector which compiles with the directives and standards listed in the PCI Express Mini Card Electromechanical Specification Revision 1 2 The following figur...

Page 52: ...5G Module Series RG255C GL_Mini_PCIe_Hardware_Design 51 57 7 2 Top and Bottom Views Figure 23 Top and Bottom Views of the Module Figure 24 Test Points of the Module...

Page 53: ...arameters and process of packaging All figures below are for reference only The appearance and structure of the packaging materials are subject to the actual delivery The module adopts blister tray pa...

Page 54: ...and put 1 empty blister tray on the top Packing 11 blister trays together and then put blister trays into conductive bag seal and pack the conductive bag Put the seal packed blister trays into the mi...

Page 55: ...de 3 Quectel_RG255C_Series RM255C GL_AT_Commands_Manual Abbreviation Description AMR Adaptive Multi rate BDS BeiDou Navigation Satellite System bps Bits Per Second CMUX Connection Multiplexing CS Codi...

Page 56: ...tellite System GPS Global Positioning System HR Half Rate HTTP Hypertext Transfer Protocol HTTPS Hypertext Transfer Protocol Secure IMS IP Multimedia Subsystem kbps Kilo Bits Per Second LED Light Emit...

Page 57: ...POS Point of Sale QAM Quadrature Amplitude Modulation QPSK Quadrature Phase Shift Keying RF Radio Frequency RmNet Remote Network RNDIS Remote Network Driver Interface Specification RoHS Restriction of...

Page 58: ...tting Direction TVS Transient Voltage Suppressor UART Universal Asynchronous Receiver Transmitter UDP User Datagram Protocol UL Uplink URC Unsolicited Result Code USB Universal Serial Bus U SIM Univer...

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