Fibocom L610-LA, Hardware Manual

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FIBOCOM L610-LA Series Hardware Guide Page 6 of
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3.5.2 USIM Interface Circuit .............................................................................................................. 30
3.5.2.1 SIM Card Slot with Detection Signal ..................................................................................................... 30
3.5.2.2 SIM Card Slot without Detection Signal ................................................................................................ 32
3.5.3 USIM Hot Plug ........................................................................................................................... 32
3.5.4 USIM Design Requirements .................................................................................................... 33
3.6 UART Interface .......................................................................................................................... 33
3.6.1 UART Interface Definition ........................................................................................................ 33
3.6.2 UART Interface Application ..................................................................................................... 34
3.7 Status Indicator ......................................................................................................................... 35
3.7.1 NET_MODE Signal ................................................................................................................... 35
3.8 Low Power Consumption Mode .............................................................................................. 37
3.8.1 Flight Mode ................................................................................................................................. 37
3.8.2 Sleep Mode ................................................................................................................................ 37
3.9 ADC Function ............................................................................................................................ 37
4 RF Interface ............................................................................................................................... 38
4.1 L610 Operating Band ............................................................................................................... 38
4.2 L610 RF Output Power ............................................................................................................ 38
4.3 L610 RF Receiving sensitivity ................................................................................................. 39
4.4 RF PCB Design ......................................................................................................................... 39
4.4.1 Antenna RF Connector ............................................................................................................. 39
4.5 Antenna Design ......................................................................................................................... 40
5 Electrical Characteristics ...................................................................................................... 43
5.1 Limiting Voltage Range ............................................................................................................ 43
5.2 Ambient Temperature Range .................................................................................................. 43
5.3 Electrical Characteristics of the Interface in Operating Status .......................................... 43
5.4 Environmental Reliability Requirements ............................................................................... 44
5.5 ESD Characteristics ................................................................................................................. 45
6 Structure Specification .......................................................................................................... 46
6.1 Product Appearance ................................................................................................................. 46
6.2 Structural Dimension ................................................................................................................ 47
6.3 SMT Patch ................................................................................................................................. 47
7 Warnning .................................................................................................................................... 47