參數(shù)資料
型號(hào): Q2406D
廠商: Electronic Theatre Controls, Inc.
英文描述: SELF CONTAINED E GSM/GPRS 900/1800 OR 850/1900 BI BAND MODULE
中文描述: 自成一體的位置的GSM / GPRS或850/1900畢帶模塊900/1800
文件頁數(shù): 29/81頁
文件大小: 922K
代理商: Q2406D
WM_PRJ_Q2400_PTS_002 - 002
24th January 2003
confidential
Page :
29 / 81
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged
without prior written agreement.
Ce document est la propriété exclusive de WAVECOM. Il ne peut être communiqué ou divulgué à
des tiers sans son autorisation préalable.
Microphone gain vs Max input voltage (using controller 2)
Transmit Gain (dB)
Max Vin (mVrms)
AT+VGT
- 6.5
3031
128 to 243
-6.0
2861
224
0.0
1434
0
+9.5
480
19
+10.0
454
20
+ 30.3
43.80
21 to 60
+ 30.8
41.36
61
+ 50.8
4.14
101
+ 51.3
3.90
102 to 127
Recommended characteristics for the microphone:
2V – 0.5mA
2 KOhms
Sensitivity -40 to –50dB
SNR > 50dB
Frequency response compatible with the GSM specifications
For possible references, see § 4.3.
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