User Guide

5／35
Contents
Revision History ............................................................................................................................ 4
Contents ....................................................................................................................................... 5
Table Index ................................................................................................................................... 6
Figure Index .................................................................................................................................. 7
1 Introduction ............................................................................................................................. 8
1.1 Safety Information ...................................................................................................................... 8
2 Product Overview ..................................................................................................................... 9
2.1 About This Chapter ..................................................................................................................... 9
2.2 Product Introduction................................................................................................................... 9
2.3 Key features ............................................................................................................................. 10
2.4. Function Overview ................................................................................................................... 13
3. Interface Application ............................................................................................................. 14
3.1. About This Chapter .................................................................................................................. 14
3.2. M2 Module Interface ............................................................................................................... 14
3.3. Power Interface ........................................................................................................................ 19
3.4. UART Interface ......................................................................................................................... 20
3.5. USIM Card Interface ................................................................................................................. 21
3.6. USB Interface ........................................................................................................................... 22
3.7. Signal Control Signal ................................................................................................................ 23
3.7.1. W_DISABLE# Signal ........................................................................................................ 24
3.7.2. PERST# Signal ................................................................................................................. 24
3.7.3. LED_WWAN# Signal ....................................................................................................... 25
3.8. Antenna Interface .................................................................................................................... 25
3.8.1. Antenna Requirements .................................................................................................. 25
4 Electrical Interface and RF Specifications .............................................................................. 26
4.1. About This Chapter ............................................................................................................... 26
4.2. Power Supply Ratings ............................................................................................................ 26
4.3. I/O Interface .......................................................................................................................... 27
4.4. RF Specifications .................................................................................................................... 27
4.5. Electrostatic Discharge Characteristics ................................................................................. 28
5 Mechanical Dimensions ........................................................................................................ 31
5.1. Outer Dimension of M3B Module ......................................................................................... 31
uCloudlink M3B Mini PCIe-C _Hardware Design Guide_V1.0
3.8.2. Antenna Connector Specification .................................................................................. 26
5.1. Installation Instruction of M3B Module ................................................................................. 31