Features:
1) Speech and note transmission:
a) Clear voice, enhanced full speed speech codes
b) Notes in Chinese or English
2) Data communication functions:
a) GPRS packed data exchanges (MG3100-R)
b) G3 fax
3) PHASE 2/2+ protocol
4) GSM900/1,800MHZ dual frequency work model
5) External earphone and microphone
6) Perfect AT command
Specifications:
1) Dimensions: 148 x 112 x 25mm
2) Power: DC12V
3) Interface type: RS232
4) Working temperature: -20oC - +55oC
5) Humidity range: 0-95%, no condensation
6) Working frequency range
a) TX: 824.04-848.97MHZ
b) RX: 869.04-893.97MHZ
7) Output frequency: 0.2-0.3W
Inner packing: box
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