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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