2.7
Reset signal (~RST) ................................................................................ 34
2.8
2.9
VCC output ............................................................................................. 35
2.10
2.10.1
General ........................................................................................... 35
2.10.2
3
Radio design ................................................................................. 38
3.1
3.2
3.2.1
Recommendations .......................................................................... 38
3.2.2
RF connection ................................................................................. 39
4
5
PCB design.................................................................................... 42
5.1
General design rules ............................................................................... 42
5.2
5.3
5.4
Power supply.......................................................................................... 42
5.5
Pads design ............................................................................................ 43
6
7
Firmware upgrade ......................................................................... 45
7.1
Recommendations .................................................................................. 45
7.2
7.3
Backup procedure................................................................................... 46
8
9
9.1
9.2
SIM Card Reader .................................................................................... 50
9.3
Microphone ............................................................................................ 50
9.4
Speaker .................................................................................................. 51
9.5
Antenna Cable ........................................................................................ 51
9.6
GSM antenna ......................................................................................... 51
Confidential©
This document is the sole and exclusive property of WAVECOM. Not to be
distributed or divulged without prior written agreement.
WM_PRJ_Q2400_PTS_005 -007
........................................... 42
All rights reserved
18th January 2006
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