Audio Interface - Wavecom WMO1-G900 User Manual

Wavecom GSM Modem
Routes:
MODE:
Teleservice:
∗
Fax:
CCITT Rec.:
Routes:
Info. transf. mode:
Connection elem.:
Structure:
Radio channel:
Intermed. rate:
User rate:
Teleservice:

∗ Audio interface:

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7 bit user data / 8 bit user data
SMS MO and MT
Text mode, PDU, 7/8 bits user data
TS22, TS21
Group 3 /Class I
CCITT T.30, T.4
MOC and MTC
Synchronous
Transparent
Unstructured
Full rate
16kbit/s
2400,4800 or 9600 bit/s
TS 62
• Electret-Microphone recommended :
Impedance 100kΩ / Sensitivity of the inputs : 4 - 40mV p.p
(gain set with AT+VGT)
• Loudspeaker :
Impedance 150Ω / Outputs level : 0 - 2.5V p.p max
• Power 6V regulated DC
• ground
• shield
10