Q2406E
| Model | Q2406E |
| Description | SELF CONTAINED E GSM/GPRS 900/1800 OR 850/1900 BI BAND MODULE |
| PDF file | Total 81 pages (File size: 909K) |
| Chip Manufacturer | ETC |
WM_PRJ_Q2400_PTS_002 - 002
24th January 2003
Microphone gain vs Max input voltage (using controller 2)
Transmit Gain (dB)
- 6.5
-6.0
…
0.0
…
+9.5
+10.0
+ 30.3
+ 30.8
…
+ 50.8
+ 51.3
Max Vin (mVrms)
3031
2861
…
1434
…
480
454
43.80
41.36
…
4.14
3.90
AT+VGT
128 to 243
224
…
0
…
19
20
21 to 60
61
…
101
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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