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FIBOCOM L850-GL Series Hardware Guide Page 7 of 59
3.4.2.1 USB Interface Definition .............................................................................................................. 36
3.4.2.2 USB2.0 Interface Application ....................................................................................................... 36
3.4.2.3 USB3.0 Interface Application ....................................................................................................... 36
3.5 USIM Interface ............................................................................................................. 37
3.5.1 USIM Pins .................................................................................................................... 37
3.5.2 USIM Interface Circuit .................................................................................................. 38
3.5.2.1 N.C. SIM Card Slot ...................................................................................................................... 38
3.5.2.2 N.O. SIM Card Slot...................................................................................................................... 38
3.5.3 USIM Hot-Plug ............................................................................................................. 39
3.5.4 USIM Design ................................................................................................................ 39
3.6 Status Indicator ............................................................................................................ 40
3.6.1 LED#1 Signal ............................................................................................................... 40
3.7 Interrupt Control ........................................................................................................... 41
3.7.1 W_DISABLE1# ............................................................................................................ 41
3.7.2 BODYSAR ................................................................................................................... 41
3.8 Clock Interface ............................................................................................................. 41
3.9 ANT Tunable Interface ................................................................................................. 42
3.10 Configuration Interface ................................................................................................. 42
4 Radio Frequency ......................................................................................................... 44
4.1 RF Interface .................................................................................................................. 44
4.1.1 RF Interface Functionality ............................................................................................ 44
4.1.2 RF Connector Characteristic ........................................................................................ 44
4.1.3 RF Connector Dimension ............................................................................................. 44
4.1.4 RF Connector Assembly .............................................................................................. 46
4.2 Operating Band ............................................................................................................ 48
4.3 Transmitting Power ...................................................................................................... 49
4.4 Receiver Sensitivity ...................................................................................................... 50
4.5 GNSS ........................................................................................................................... 51
4.6 Antenna Design ............................................................................................................ 52
5 Structure Specification ............................................................................................... 54
5.1 Product Appearance ..................................................................................................... 54
5.2 Dimension of Structure ................................................................................................. 54
5.3 M.2 Interface Model ...................................................................................................... 55
5.4 M.2 Connector .............................................................................................................. 55
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