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L850-GL Hardware User Manual Page 5 of 54
3.4.2 USB Interface ............................................................................................................. 33
3.4.2.1 USB Interface Definition ...................................................................................... 33
3.4.2.2 USB2.0 Interface Application ............................................................................... 33
3.4.2.3 USB3.0 Interface Application ............................................................................... 34
3.5 USIM Interface ................................................................................................................... 35
3.5.1 USIM Pins ................................................................................................................... 35
3.5.2 USIM Interface Circuit ................................................................................................. 35
3.5.2.1 N.C. SIM Card Slot .............................................................................................. 35
3.5.2.2 N.O. SIM Card Slot .............................................................................................. 36
3.5.3 USIM Hot-Plugging ..................................................................................................... 37
3.5.4 USIM Design ............................................................................................................... 37
3.6 Status Indicator .................................................................................................................. 38
3.6.1 LED#1 Signal .............................................................................................................. 38
3.7 Interrupt Control ................................................................................................................. 39
3.7.1 W_DISABLE1# ........................................................................................................... 39
3.7.2 BODYSAR .................................................................................................................. 39
3.8 Clock Interface ................................................................................................................... 40
3.9 ANT Tunable Interface ....................................................................................................... 40
3.10 Configuration Interface ...............................................................
........................................ 40
3.11 Other Interfaces ................................................................................................................. 41
4 Radio Frequency .............................................................................................................................. 42
4.1 RF Interface ....................................................................................................................... 42
4.1.1 RF Interface Functionality ........................................................................................... 42
4.1.2 RF Connector Characteristic ....................................................................................... 42
4.1.3 RF Connector Dimension ........................................................................................... 42
4.2 Operating Band .................................................................................................................. 44
4.3 Transmitting Power ............................................................................................................ 45
4.4 Receiver Sensitivity ............................................................................................................ 46
4.5 GNSS ................................................................................................................................. 47
4.6 Antenna Design ................................................................................................................. 48
5 Structure Specification ...................................................................................................................... 50
5.1 Product Appearance .......................................................................................................... 50
5.2 Dimension of Structure ....................................................................................................... 50
5.3 M.2 Interface Model ........................................................................................................... 51
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