User's Manual
Table Of Contents
- General description
- Interfaces
- General Purpose Connector (GPC)
- Power supply
- Electrical information for digital I/O
- LCD interface
- SPI Auxiliary bus
- Keyboard interface
- Main serial link (UART1)
- Auxiliary serial link (UART2)
- SIM interface
- General Purpose Input/Output
- Activity status indication
- Analog to Digital Converter (ADC)
- Audio interface
- Battery charging interface
- ON / ~OFF
- BOOT (optional)
- Reset signal (~RST)
- External Interrupt (~INTR)
- VCC output
- Real Time Clock Supply (VCC_RTC)
- RF interface
- Technical specifications
- Appendix
WM_PRJ_Q2400_PTS_002 - 004
March 5, 2004
Microphone gain vs Max input voltage (using controller 1*)
Transmit Gain (dB) Max Vin (mVrms)
+30 43.80
+33 31.01
+36 21.95
+39 15.54
+42 11
+45 7.79
+48 5.51
+51 3.9
(*) for more details, refer to AT commands documentation [3]
Microphone gain vs Max input voltage (using controller 2*)
Transmit Gain (dB) Max Vin (mVrms)
- 6.5 3031
-6.0 2861
… …
0.0 1434
… …
+9.5 480
+10.0 454
+ 30.3 43.80
+ 30.8 41.36
… …
+ 50.8 4.14
+ 51.3 3.90
(*) for more details, refer to AT commands documentation [3]
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