User's Manual

Table Of Contents
M95 Hardware Design
M95_HD_V1.0 - 4 -
3.9.1. Decrease TDD noise and other noise .................................................................... 49
3.9.2. Microphone interfaces design ............................................................................... 50
3.9.3. Receiver interface design ...................................................................................... 50
3.9.4. Earphone interface design ..................................................................................... 51
3.9.5. Loud speaker interface design ............................................................................... 51
3.9.6. Audio characteristics ............................................................................................. 52
3.10. SIM card interface .......................................................................................................... 52
3.10.1. SIM card application ........................................................................................... 52
3.10.2. 6 Pin SIM cassette ............................................................................................... 54
3.12. Behaviors of the RI ........................................................................................................ 55
3.13. Network status indication ............................................................................................... 57
3.14. Operating status indication ............................................................................................. 57
4. Antenna interface ........................................................................................................................ 59
4.1. RF reference design ......................................................................................................... 59
4.2. RF output power ............................................................................................................... 60
4.3. RF receiving sensitivity.................................................................................................... 60
4.4. Operating frequencies ...................................................................................................... 60
4.5. RF cable soldering ........................................................................................................... 60
5. Electrical, reliability and radio characteristics ............................................................................ 62
5.1. Absolute maximum ratings .............................................................................................. 62
5.2. Operating temperature ...................................................................................................... 62
5.3. Power supply ratings ........................................................................................................ 62
5.4. Current consumption ........................................................................................................ 63
5.5. Electro-static discharge .................................................................................................... 64
6. Mechanical dimensions ............................................................................................................... 65
6.1. Mechanical dimensions of module ................................................................................... 65
6.2. Footprint of recommendation ........................................................................................... 67
6.3. Top view of the module ................................................................................................... 68
6.4. Bottom view of the module .............................................................................................. 69
7. Storage and Manufacturing ......................................................................................................... 70
7.1. Storage ............................................................................................................................. 70
7.3. Packaging ......................................................................................................................... 72
Appendix A: GPRS coding schemes ............................................................................................... 73
Appendix B: GPRS multi-slot classes............................................................................................. 74