YUGE CLM920 NC2 LTE M.2, Hardware Usage Manual

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CLM920_NC2_LTE M.2 Module Hardware Usage Guide
Shanghai Yuge Information Technology co., LTD - 3 -
Contents
Chapter 1. Introduction...........................................................................................................- 6 -
Chapter 2. Product review...................................................................................................... - 8 -
2.1 Product introduction................................................................................................. - 8 -
2.2 Module characteristics..............................................................................................- 8 -
2.3 Module function..................................................................................................... - 10 -
Chapter 3. Interface application description.........................................................................- 12 -
3.1 Chapter overview....................................................................................................- 12 -
3.2 Module interface.....................................................................................................- 12 -
3.2.1 75-pin gold finger........................................................................................- 12 -
3.2.2 Interface definition...................................................................................... - 13 -
3.3 Power interface.......................................................................................................- 17 -
3.4 USB interface......................................................................................................... - 20 -
3.5 UART interface...................................................................................................... - 21 -
3.6 USIM interface....................................................................................................... - 23 -
3.6.1 USIM card reference circuit........................................................................ - 23 -
3.6.2 USIM_DET Hot Swap Reference Design...................................................- 24 -
3.7 General purpose GPIO interface............................................................................ - 25 -
3.8 Network indication interface.................................................................................. - 26 -
3.9 RF antenna interface...............................................................................................- 27 -
3.9.1 RF connector location..................................................................................- 27 -
3.9.2 RF connector size........................................................................................ - 28 -
Chapter 4. Overall technical indicators................................................................................ - 31 -
4.1 Chapter overview....................................................................................................- 31 -
4.2 Working frequency................................................................................................. - 31 -
4.3 Conducted radio frequency measurement.............................................................. - 32 -
4.3.1 Test environment......................................................................................... - 32 -
4.3.2 standard test.................................................................................................- 32 -
4.4 Conducted receiving sensitivity and transmit power......................................- 32 -
4.5 Antenna requirements.............................................................................................- 34 -
4.6 Power consumption characteristics........................................................................ - 35 -
Chapter 5. Interface electrical characteristics.......................................................................- 37 -
5.1 Working storage temperature..................................................................................- 37 -
5.2 Module IO level......................................................................................................- 37 -