4 line Fixed Wireless Terminal/FWT

4 lineFixed Wireless Terminal Unique Functions 1,GSM cellular network outgoing. 2,GSM cellular network incoming. 3,DTMF Caller ID. 4,Support secondary dial. 5,Lock card, lock terminal. 6,Send polarity reversal signal for billing meter while connection. 7,Sending 12/16KHz pulse for billing meter while connection is also compatible. 8,Support GPRS . (Optional) 9,Rechargeable battery, keep conversation for at least 3 hour when out of mains supply. (Optional) 10,Transmit tariff for our company phone billing meter. (Optional) Technical Specifications 1,Work frequency: GSM 900MHZ/1800MHZ or GSM 850/900/1800/1900MHZ2,Power: ≤2 W3,Sensitivity: -104dB4,power consumption: Static ≤25mA, Transmit≤600mA5,Ambient noise: ≤60dB6,Power Supply: DC 5Vadapter AC 110 240 input 7,DTMF Receive: > -23dB insure receiving. 8,DTMF Receive sensitivity: 99.99% 9,Insertion loss: ≤0.5dB