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2.7.5. I2C Interface................................................................................................ 35
2.7.6. UART Interface............................................................................................ 36
2.7.7. ADC Interface.............................................................................................. 36
3. RF Specifications................................................................................................................. 37
3.1. RF connections........................................................................................................37
3.2. Interference and sensitivity.................................................................................... 38
3.3. GNSS external circuit design................................................................................... 39
3.4. RF Specification.......................................................................................................41
3.5.1 Band support................................................................................................41
3.5.2 Bandwidth support...................................................................................... 42
3.5.3 RF Transmit Specification............................................................................. 42
3.5.4 RF Receiver Specification............................................................................. 42
3.5.5 GNSS Receiver Specification.........................................................................44
4. Power.................................................................................................................................. 46
4.1. Power consumption................................................................................................46
5. Software Interface.............................................................................................................. 48
5.1. Support tools.......................................................................................................... 48
5.2. USB interface.......................................................................................................... 48
6. Mechanical and Environmental Certifications.................................................................. 49
6.1. PCBA Form Factor................................................................................................... 49
6.2. Reflow..................................................................................................................... 52
6.3. PCB pad design....................................................................................................... 53
6.4. Labeling...................................................................................................................54
6.5. SMT Voids control................................................................................................... 55
6.5.1. Mother board PCB thickness.......................................................................55
6.5.2. Stencil design.............................................................................................. 55
