
CLM920_NC3_LTE Module hardware manual
Shanghai Yuge Information Technology co., LTD
- 4 -
3.12 I2C bus................................................................................................................. - 43 -
3.13 SDIO interface......................................................................................................- 44 -
3.14 SPI interface / multiplexed I2S interface..............................................................- 49 -
3.15 MCLK interface....................................................................................................- 50 -
3.16 ADC interface.......................................................................................................- 51 -
3.17 RF interface.......................................................................................................... - 51 -
3.17.1 Main antenna interface.............................................................................. - 52 -
3.17.2 Diversity antenna interface........................................................................- 52 -
3.17.3 GNSS interface..........................................................................................- 52 -
3.17.4 RF trace reference......................................................................................- 54 -
3.17.5 RF connector size...................................................................................... - 55 -
4.1 Chapter overview....................................................................................................- 58 -
4.2 GNSS Receiving performance............................................................................... - 58 -
4.3 Working frequency................................................................................................. - 59 -
4.4 Conducted radio frequency measurement.............................................................. - 60 -
4.5 Conducted receiving sensitivity and transmit power..............................................- 60 -
4.6 Antenna requirements.............................................................................................- 61 -
4.7 Power consumption characteristics........................................................................ - 63 -
5.1 Chapter overview....................................................................................................- 66 -
5.2 Working storage temperature..................................................................................- 66 -
5.3 Module IO level......................................................................................................- 66 -
5.4 Power supply.......................................................................................................... - 66 -
5.5 Electrostatic property..............................................................................................- 67 -
5.6 Reliability index..................................................................................................... - 67 -