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LTE Standard Module Series

EC200U_Series_Hardware_Design 70 / 94

Table 42: Operating and Storage Temperatures

Parameter

Min.

Typ.

Max.

Unit

Operating Temperature Range

10

-35

+25

+75

ºC

Extended Temperature Range

11

-40

+85

ºC

Storage Temperature Range

-40

+90

ºC

5.4. Power Consumption

Table 43: EC200U-CN Current Consumption

Description

Conditions

Typ.

Unit

OFF state

Power down

31

μ

A

Sleep state

AT+CFUN=0

(USB disconnected)

1.126

mA

EGSM900 @ DRX = 2 (USB disconnected)

3.271

mA

EGSM900 @ DRX = 5 (USB disconnected)

2.637

mA

EGSM900 @ DRX = 5 (USB suspend)

4.105

mA

EGSM900 @ DRX = 9 (USB disconnected)

2.448

mA

DCS1800 @ DRX = 2 (USB disconnected)

3.265

mA

DCS1800 @ DRX = 5 (USB disconnected)

2.637

mA

DCS1800 @ DRX = 5 (USB suspend)

4.206

mA

DCS1800 @ DRX = 9 (USB disconnected)

2.457

mA

LTE-FDD @ PF = 32 (USB disconnected)

2.515

mA

LTE-FDD @ PF = 64 (USB disconnected)

1.832

mA

10

Within the operating temperature range, the module meets 3GPP specifications.

11

Within the extended temperature range, the module remains the ability to establish and maintain functions such as voice,

SMS, data transmission, etc., without any unrecoverable malfunction. Radio spectrum and radio network are not influenced,
while one or more specifications, such as Pout, may exceed the specified tolerances of 3GPP. When the temperature
returns to the operating temperature range, the module meets 3GPP specifications again.

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Содержание EC200U Series

Страница 1: ...EC200U Series Hardware Design LTE Standard Module Series Version 1 1 0 Date 2022 03 01 Status Preliminary...

Страница 2: ...gh 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 ava...

Страница 3: ...cy 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...

Страница 4: ...he airline staff for more restrictions on the use of wireless devices on boarding the aircraft Wireless devices may cause interference on sensitive medical equipment so please be aware of the restrict...

Страница 5: ...4 About the Document Revision History Version Date Author Description 2021 10 08 King MA Nathan LIU Creation of the document 1 0 2021 11 05 King MA Nathan LIU First official release 1 1 0 2022 03 01 R...

Страница 6: ...pplication 27 3 5 1 2 USB Application with USB Remote Wakeup Function 28 3 5 1 3 USB Application with USB Suspend Resume and MAIN_RI Function 28 3 5 1 4 USB Application 29 3 5 2 Airplane Mode 30 3 6 P...

Страница 7: ...ion 58 4 1 2 Operating Frequency 59 4 1 3 Reference Design of RF Antenna Interfaces 61 4 2 GNSS Antenna Interface 61 4 3 Reference Design of RF Layout 63 4 4 Antenna Installation 65 4 4 1 Antenna Requ...

Страница 8: ...LTE Standard Module Series EC200U_Series_Hardware_Design 3 94 7 3 3 Packaging Process 91 8 Appendix References 92...

Страница 9: ...efinition of I2C Interfaces 45 Table 20 Pin Definition of PCM Interface 45 Table 21 Pin Definition of Analog Audio Interfaces 46 Table 22 Pin Definition of LCD Interface 49 Table 23 Pin Definition of...

Страница 10: ...78 Table 48 EC200U AU RF Output Power 78 Table 49 EC200U CN Conducted RF Receiving Sensitivity 79 Table 50 EC200U EU Conducted RF Receiving Sensitivity 80 Table 51 EC200U AU Conducted RF Receiving Se...

Страница 11: ...rcuit of USB Application 41 Figure 20 Reference Circuit with Translator Chip 43 Figure 21 Reference Circuit with Transistor Circuit 44 Figure 22 Reference Circuit of I2C and PCM Application with Exter...

Страница 12: ...Module Series EC200U_Series_Hardware_Design 7 94 Figure 42 Reflow Soldering Thermal Profile 88 Figure 43 Carrier Tape Dimension Drawing 90 Figure 44 Plastic Reel Dimension Drawing 90 Figure 45 Packagi...

Страница 13: ...iated with application note and user guide you can use EC200U series module to design and set up wireless applications easily This document is applicable to the following variants EC200U CN EC200U EU...

Страница 14: ...U EU Module 1 GSM is optional 2 GNSS function is optional 3 EC200U series supports Bluetooth and Wi Fi Scan functions Due to the shared antenna interface the two functions cannot be used at the same t...

Страница 15: ...d 64 LGA pins 2 2 Key Features Table 5 Key Features of EC200U Series Module GNSS 2 GPS GLONASS BeiDou Galileo QZSS Bluetooth and Wi Fi Scan 3 Support Network Mode Frequency Band LTE FDD B1 B2 B3 B4 B5...

Страница 16: ...noise suppression USB Interface Compliant with USB 2 0 specification slave mode only the data transfer rate can reach up to 480 Mbps Used for AT command communication data transmission software debug...

Страница 17: ...erature returns to the operating temperature range the module meets 3GPP specifications again Interfaces ADC Interfaces Three ADC interfaces USB_BOOT Interface Forced download interface AT Commands Co...

Страница 18: ..._SCAN 26 MHz DCXO SPI Nor Flash 64Mb PSRAM 128Mb LOUDSPK MIC ANT_GNSS LCD 32 kHz Clock GNSS USB Keypads SAW LNA APT SPI PCM Figure 1 Functional Diagram 2 4 EVB In order to help customers to develop ap...

Страница 19: ...nnected to cellular application platform The subsequent chapters will provide detailed descriptions of the following interfaces Power supply U SIM interfaces USB interface UART interfaces SPI interfac...

Страница 20: ..._MOSI 39 SPI_MISO 40 SPI_CLK 41 I2C_SCL 42 I2C_SDA 43 ADC2 44 ADC1 45 ADC0 46 GND 47 ANT_GNSS 143 GRFC1 144 GRFC2 48 GND 49 ANT_MAIN 50 GND 51 GND 52 GND 53 GND 54 GND 55 RESERVED 56 GND 57 VBAT_RF 58...

Страница 21: ...er Input PO Power Output Table 7 Pin Description Power Supply Pin Name Pin No I O Description DC Characteristics Comment VBAT_BB 59 60 PI Power supply for module s baseband part and RF part Vmax 4 3 V...

Страница 22: ...TUS 61 DO Indicate module s operating status 1 8 V power domain If unused keep it open NET_MODE 5 DO Indicate the module s network activity status VOHmin 1 35 V VOLmax 0 45 V 1 8 V power domain If unu...

Страница 23: ...n 2 7 V Either 1 8 V or 3 0 V can be recognized by the module automatically USIM_DATA 15 DIO U SIM1 card data For 1 8 V U SIM VILmax 0 6 V VIHmin 1 2 V VOLmax 0 45 V VOHmin 1 35 V For 3 0 V U SIM VILm...

Страница 24: ...VOLmax 0 45 V VOHmin 2 55 V The U SIM2 function is optional If the firmware version of the module supports the function of the U SIM2 card the relevant functions of the U SIM2 card can be realized by...

Страница 25: ...IHmin 1 26 V VIHmax 2 0 V 1 8 V power domain Pull up by default Low level wakes up the module If unused keep it open MAIN_TXD 67 DO Main UART transmit VOLmax 0 45 V VOHmin 1 35 V 1 8 V power domain If...

Страница 26: ...e Voltage range 0 VBAT_BB ADC0 45 AI General purpose ADC interface Voltage range 0 VBAT_BB Analog Audio Interface Pin Name Pin No I O Description DC Characteristics Comment LOUDSPK_P 73 AO Loudspeaker...

Страница 27: ...hat supports GNSS function the SPI function of Pin 37 40 cannot be used and needs to be left unconnected SPI_MOSI 38 DO SPI master mode output VOLmax 0 45 V VOHmin 1 35 V SPI_MISO 39 DI SPI master mod...

Страница 28: ...en The KEYIN1 cannot be pulled up before startup KEYIN2 79 DI Matrix key input2 1 8 V power domain If unused keep them open KEYIN3 80 DI Matrix key input3 KEYOUT0 83 DO Matrix key output0 KEYOUT1 84 D...

Страница 29: ...V VIHmax 2 0 V 1 8 V power domain If unused keep them open SDIO2_DATA2 130 DIO WLAN SDIO data bit 2 VOLmax 0 45 V VOHmin 1 35 V VILmin 0 3 V VILmax 0 6 V VIHmin 1 26 V VIHmax 2 0 V SDIO2_DATA1 131 DIO...

Страница 30: ...aracteristic impedance If unused keep it open ANT_MAIN 49 AIO Main antenna interface 50 characteristic impedance USB_BOOT Pin Name Pin No I O Description DC Characteristics Comment USB_BOOT 115 DI Con...

Страница 31: ...PIO1 126 DO CP log It can output CP log and only 8 Mbps baud rate is supported and test points should be reserved BT_EN 139 Reserved GRFC1 143 DIO Generic RF controller GRFC2 144 DIO Generic RF contro...

Страница 32: ...gement unit PMU shuts down the power supply Software is not active the serial interface is not accessible while operating voltage connected to VBAT_RF and VBAT_BB remains applied 3 5 Power Saving 3 5...

Страница 33: ...ted with the module s USB interface enters suspended state The following figure shows the connection between the module and the host USB_VBUS USB_DP USB_DM AP_READY VDD USB_DP USB_DM GPIO Module Host...

Страница 34: ...plication with MAIN_RI Sending data to the module through USB can wake up the module When the module has a URC to report the URC will trigger the behaviors of MAIN_RI pin 1 USB suspend is supported on...

Страница 35: ...t work and all AT commands related to RF function will be not accessible This mode can be set via the following ways Hardware The W_DISABLE is pulled up by default Its control function for airplane mo...

Страница 36: ...nit VBAT_RF 57 58 Power supply for module s RF part 3 3 3 8 4 3 V VBAT_BB 59 60 Power supply for module s baseband part and RF part 3 3 3 8 4 3 V GND 8 9 19 22 36 46 48 50 54 56 72 76 85 112 3 6 2 Vol...

Страница 37: ...ge is 4 7 V and peak pulse power is up to 2550 W should be used The following figure shows the star configuration routing of the power supply Module VBAT_RF VBAT_BB VBAT C1 100 F C6 100 nF C7 33 pF C8...

Страница 38: ...tage value For more details see document 2 3 7 Turn on Turn off Reset 3 7 1 Turn on Module with PWRKEY Table 10 Pin Description of PWRKEY Pin Name Pin No I O Description Comment PWRKEY 21 DI Turn on o...

Страница 39: ...PWRKEY is to use a button directly When pressing the button electrostatic strike may generate from finger Therefore a TVS component is indispensable to be placed nearby the button for ESD protection A...

Страница 40: ...table before PWRKEY is pulled down It is recommended that the time interval between powering up VBAT and pulling down PWRKEY is no less than 30 ms 2 PWRKEY can be pulled down directly to GND with a re...

Страница 41: ...order to avoid damaging internal flash please do not switch off the power supply when the module works normally Only after the module is shut down by PWRKEY or AT command can the power supply be cut o...

Страница 42: ...race as short as possible and surround it with ground Table 11 Pin Description of RESET_N Pin Name Pin No I O Description Comment RESET_N 20 DI Reset the module VBAT power domain The recommended circu...

Страница 43: ...y when the module cannot be turned off by AT QPOWD or PWRKEY 3 8 U SIM Interfaces The module provides two U SIM interfaces and it supports DSDS function The U SIM interfaces meet ETSI and IMT 2000 req...

Страница 44: ...O U SIM2 card reset SLEEP_IND 3 DI U SIM2 card hot plug detect The module supports U SIM card hot plug via the USIM_DET and both high and low level detections are supported By default the function is...

Страница 45: ..._GND can be connected to PCB ground directly To avoid cross talk between USIM_DATA and USIM_CLK keep them away from each other and shield them with surrounded ground In order to offer good ESD protect...

Страница 46: ...ve test points for debugging and firmware upgrade in your design The following figure shows a reference circuit of USB interface USB_DP USB_DM GND USB_DP USB_DM GND L1 Close to Module R3 R4 Test Point...

Страница 47: ...to the USB connector as close as possible 3 10 UART Interfaces The module provides three UART interfaces the main UART interface the debug UART interface and auxiliary UART Interface The following sho...

Страница 48: ...provides 1 8 V UART interface Use a level shifter if the application is equipped with a 3 3 V UART interface A level shifter TXS0108EPWR provided by Texas Instruments is recommended The following fig...

Страница 49: ...connected to the host CTS and the module RTS is connected to the host RTS 3 11 SPI Interface The SPI interface of EC200U series module only supports master mode It allows the full duplex synchronous...

Страница 50: ...peripherals except for codec IC In other words if a codec IC has been mounted on the I2C bus no other peripherals can be mounted If there is no codec IC on the bus multiple peripherals can be mounted...

Страница 51: ..._SDA Module 4 7K 4 7K BCLK LRCK DAC ADC SCL SDA BIAS MICBIAS INP INN LOUTP LOUTN Codec 1 8 V External 26MHz Crystal 0R NM 0R MAIN_DCD MCLK Figure 22 Reference Circuit of I2C and PCM Application with E...

Страница 52: ...that the resonant frequency point of a capacitor largely depends on the material and production technique Therefore you would have to discuss with their capacitor vendors to choose the most suitable...

Страница 53: ...0603 33 pF 0603 10 pF 0603 10 pF 0603 10 pF 0603 Figure 23 Reference Circuit of Microphone Interface MIC channel is sensitive to ESD so it is not recommended to remove the ESD components used for pro...

Страница 54: ...d LCD_CS 122 DO LCD chip select LCD_CLK 123 DO LCD clock LCD_SDC 124 DO LCD register selection LCD_SI O 125 DIO LCD data ISINK 140 PI Sink current input Backlight adjustment Imax 200 mA It is driven b...

Страница 55: ...board input2 1 8 V power domain If unused keep them open KEYIN3 80 DI Matrix keyboard input3 KEYOUT0 83 DO Matrix keyboard output0 KEYOUT1 84 DO Matrix keyboard output1 KEYOUT2 113 DO Matrix keyboard...

Страница 56: ...alue is 100 k SDIO1_VDD should be used as the pull up power In order to adjust signal quality it is recommended to add 0 resistors R1 R6 in series between the module and the SD card The bypass capacit...

Страница 57: ...s than 1 mm and the total routing length less than 50 mm Make sure the adjacent trace spacing is more than two times of the trace width and the load capacitance of SDIO bus should be less than 15 pF P...

Страница 58: ...DC0 45 General purpose ADC interface Use a 1 k resistor in series if used If unused keep them open ADC1 44 General purpose ADC interface ADC2 43 General purpose ADC interface Table 27 Characteristic o...

Страница 59: ...Network Indicator Pin Name Pin No I O Description Comment NET_MODE 5 DO Indicate the module s network activity status 1 8 V power domain If unused keep them open NET_STATUS 6 DO Indicate the module s...

Страница 60: ...47K VBAT 2 2K Module STATUS Figure 27 Reference Circuit of STATUS 3 22 Behaviors of MAIN_RI AT QCFG risignaltype physical can be used to configure MAIN_RI behaviors No matter on which port a URC is pr...

Страница 61: ...rface If your application has a scan key you can also press the USB_BOOT KEYOUT0 scan key before powering on the module and the module will enter the download mode when it is turned on Table 32 Pin De...

Страница 62: ...to test points GND 2 1 3 USB_BOOT MODULE KEYOUT0 TVS TVS S1 Close to test points Figure 28 Reference Circuit of USB_BOOT Interface Please make sure that VBAT is stable before PWRKEY is pulled down It...

Страница 63: ...Definition of Antenna Interfaces Pin Name Pin No I O Description Comment ANT_MAIN 49 AIO Main antenna interface 50 impedance ANT_BT WIFI _SCAN 35 AIO The shared antenna interface of Wi Fi Scan Bluetoo...

Страница 64: ...60 MHz LTE TDD B34 2010 2025 2010 2025 MHz LTE TDD B38 2570 2620 2570 2620 MHz LTE TDD B39 1880 1920 1880 1920 MHz LTE TDD B40 2300 2400 2300 2400 MHz LTE TDD B41 2535 2675 2535 2675 MHz The GSM netwo...

Страница 65: ...MHz 3GPP Band Transmit Receive Unit GSM850 824 849 869 894 MHz EGSM900 880 915 925 960 MHz DCS1800 1710 1785 1805 1880 MHz PCS1900 1850 1910 1930 1990 MHz LTE FDD B1 1920 1980 2110 2170 MHz LTE FDD B...

Страница 66: ...NM C4 NM ANT_BT WIFI _SCAN Figure 29 Reference Circuit of RF Antenna Interfaces 4 2 GNSS Antenna Interface The following tables list the pin definition and frequency characteristics of the GNSS antenn...

Страница 67: ...Reference Circuit of GNSS Antenna ANT_GNSS 47 AI GNSS antenna interface 50 impedance If unused keep it open Type Frequency Unit GPS 1575 42 1 023 MHz GLONASS 1597 5 1605 8 MHz Galileo 1575 42 2 046 MH...

Страница 68: ...h W the materials dielectric constant height from the reference ground to the signal layer H and the space between the RF trace and the ground S Microstrip and coplanar waveguide are typically used in...

Страница 69: ...ds and should be fully connected to ground The distance between the RF pins and the RF connector should be as short as possible and all the right angle traces should be changed to curved ones The reco...

Страница 70: ...Connector for Antenna Installation If RF connector is used for antenna connection it is recommended to use U FL R SMT connector provided by Hirose Type Requirements GNSS Frequency range 1559 1609 MHz...

Страница 71: ...EC200U_Series_Hardware_Design 66 94 Figure 35 Dimensions of U FL R SMT Connector Unit mm U FL LP serial connectors listed in the following figure can be used to match the U FL R SMT Figure 36 Mechani...

Страница 72: ...Module Series EC200U_Series_Hardware_Design 67 94 The following figure describes the space factor of mated connector Figure 37 Space Factor of Mated Connector Unit mm For more details please visit htt...

Страница 73: ...r supply and voltage on digital and analog pins of the module are listed in the following table Table 40 Absolute Maximum Ratings Parameter Min Max Unit VBAT_RF VBAT_BB 0 3 6 0 V USB_VBUS 0 3 5 5 V Pe...

Страница 74: ...ng burst transmission Maximum power control level on EGSM900 400 mV IVBAT Peak supply current during transmission slot Maximum power control level on EGSM900 1 8 2 0 3 0 A USB_VBUS USB detection 3 5 5...

Страница 75: ...d 2 448 mA DCS1800 DRX 2 USB disconnected 3 265 mA DCS1800 DRX 5 USB disconnected 2 637 mA DCS1800 DRX 5 USB suspend 4 206 mA DCS1800 DRX 9 USB disconnected 2 457 mA LTE FDD PF 32 USB disconnected 2 5...

Страница 76: ...SB disconnected 21 10 mA EGSM900 DRX 5 USB connected 29 89 mA LTE FDD PF 64 USB disconnected 21 07 mA LTE FDD PF 64 USB connected 29 88 mA LTE TDD PF 64 USB disconnected 21 16 mA LTE TDD PF 64 USB con...

Страница 77: ...A DCS1800 PCL 7 16 2 dBm 75 4 mA DCS1800 PCL 15 0 87 dBm 57 7 mA Table 44 EC200U EU Current Consumption The GSM network access technology of EC200U CN is optional If the module that you select doesn t...

Страница 78: ...4 mA LTE TDD PF 64 USB disconnected 1 871 mA LTE TDD PF 64 USB suspend 3 086 mA LTE TDD PF 128 USB disconnected 1 503 mA Idle state EGSM900 DRX 5 USB disconnected 13 01 mA EGSM900 DRX 5 USB connected...

Страница 79: ...mA PCS1900 1DL 4UL 23 87 dBm 261 mA LTE data transfer LTE FDD B1 23 4 dBm 607 mA LTE FDD B3 22 96 dBm 508 mA LTE FDD B5 23 dBm 492 mA LTE FDD B7 22 8dBm 709 mA LTE FDD B8 23 1 dBm 558 mA LTE FDD B20...

Страница 80: ...te AT CFUN 0 USB disconnected TBD mA GSM850 DRX 2 USB disconnected TBD mA GSM850 DRX 5 USB disconnected TBD mA GSM850 DRX 5 USB suspend TBD mA GSM850 DRX 9 USB disconnected TBD mA DCS1800 DRX 2 USB di...

Страница 81: ...TE TDD PF 64 USB connected TBD mA GPRS data transfer GSM850 4DL 1UL 32 89 dBm TBD mA GSM850 3DL 2UL 30 9 dBm TBD mA GSM850 2DL 3UL 28 67 dBm TBD mA GSM850 1DL 4UL 26 54 dBm TBD mA EGSM900 4DL 1UL 32 5...

Страница 82: ...mA LTE FDD B66 23 3 dBm TBD mA LTE TDD B38 23 1 dBm TBD mA LTE TDD B40 23 12 dBm TBD mA LTE TDD B41 23 37 dBm TBD mA GSM voice call GSM850 PCL 5 33 dBm TBD mA GSM850 PCL 12 19 8 dBm TBD mA GSM850 PCL...

Страница 83: ...C200U EU RF Output Power Frequency Bands Max RF Output Power Min RF Output Power GSM850 33 dBm 2 dB 5 dBm 5 dB EGSM900 33 dBm 2 dB 5 dBm 5 dB DCS1800 30 dBm 2 dB 0 dBm 5 dB PCS1900 30 dBm 2 dB 0 dBm 5...

Страница 84: ...0U CN Conducted RF Receiving Sensitivity Frequency Receiving Sensitivity Typ 3GPP Primary EGSM900 109 5 dBm 102 0 dBm DCS1800 109 5 dBm 102 0 dBm LTE FDD B1 10 MHz 98 5 dBm 96 3 dBm LTE FDD B3 10 MHz...

Страница 85: ...ucted RF Receiving Sensitivity Frequency Receiving Sensitivity Typ 3GPP Primary GSM850 109 5 dBm 102 0 dBm EGSM900 109 5 dBm 102 0 dBm DCS1800 109 dBm 102 0 dBm PCS1900 109 dBm 102 0 dBm LTE FDD B1 10...

Страница 86: ...Hz TBD 93 3 dBm LTE FDD B28 10 MHz TBD 94 8 dBm LTE FDD B66 10 MHz TBD 96 3 dBm LTE TDD B38 10 MHz TBD 96 3 dBm LTE TDD B40 10 MHz TBD 96 3 dBm LTE TDD B41 10 MHz TBD 94 3 dBm 5 7 ESD If the static el...

Страница 87: ...0U_Series_Hardware_Design 82 94 Table 52 Electrostatics Discharge Characteristics 25 C 45 Relative Humidity Tested Interfaces Contact Discharge Air Discharge Unit VBAT GND 5 10 kV Antenna Interfaces 4...

Страница 88: ...6 Mechanical Information This chapter describes the mechanical dimensions of the module All dimensions are measured in millimeter The tolerances for dimensions without tolerance values are 0 2 mm 6 1...

Страница 89: ...LTE Standard Module Series EC200U_Series_Hardware_Design 84 94 Figure 39 Module Bottom Dimensions The package warpage level of the module conforms to the JEITA ED 7306 standard NOTE Pin 1...

Страница 90: ...es_Hardware_Design 85 94 6 2 Recommended Footprint Figure 40 Recommended Footprint Top View Keep at least 3 mm between the module and other components on the motherboard to improve soldering quality a...

Страница 91: ...esign 86 94 6 3 Top and Bottom Views Figure 41 Top Bottom View of the Module Images above are for illustration purpose only and may differ from the actual module For authentic appearance and label ple...

Страница 92: ...n 10 e g a drying cabinet 4 The module should be pre baked to avoid blistering cracks and inner layer separation in PCB under the following circumstances The module is not stored in Recommended Storag...

Страница 93: ...nded that the module should be mounted after reflow soldering for the other side of PCB has been completed The recommended reflow soldering thermal profile lead free reflow soldering and related param...

Страница 94: ...h as acetone ethyl alcohol isopropyl alcohol trichloroethylene etc Otherwise the shielding can may become rusted 2 The shielding can for the module is made of Cupro Nickel base material It is tested t...

Страница 95: ...94 7 3 1 Carrier Tape Dimension details are as follow Figure 43 Carrier Tape Dimension Drawing Table 54 Carrier Tape Dimension Table Unit mm 7 3 2 Plastic Reel Figure 44 Plastic Reel Dimension Drawing...

Страница 96: ...e and use the cover tape to cover them then wind the heat sealed carrier tape to the plastic reel and use the protective tape for protection One plastic reel can load 250 modules Place the packaged pl...

Страница 97: ...Application_Note 4 Quectel_Module_SMT_User_Guide Table 57 Terms and Abbreviations Abbreviation Description ADC Analog to Digital Converter AMR Adaptive Multi Rate bps Bits Per Second CHAP Challenge Ha...

Страница 98: ...Rate FTP File Transfer Protocol FTPS FTP over SSL GND Ground GSM Global System for Mobile Communications HR Half Rate HTTP Hypertext Transfer Protocol HTTPS Hypertext Transfer Protocol Secure LED Ligh...

Страница 99: ...mart Media SMS Short Message Service SMTP Simple Mail Transfer Protocol SSL Secure Sockets Layer TCP Transmission Control Protocol TDD Time Division Duplexing UART Universal Asynchronous Receiver Tran...

Страница 100: ...Input Voltage VILmin Minimum Low level Input Voltage VOHmax Maximum High level Output Voltage VOHmin Minimum High level Output Voltage VOLmax Maximum Low level Output Voltage VOLmin Minimum Low level...

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