AB line feeding 48(hang-up status)
AB line loop current 25mA
AB line impedance 600
Dual SIM gsm / pstn terminal, Support 2 SIM Cards: GSM (A) and GSM (B) , Conveniently choose GSM (A) , GSM (B) or PSTN
Dual SIM gsm / pstn terminal, Support 2 SIM Cards: GSM (A) and GSM (B) , Conveniently choose GSM (A) , GSM (B) or PSTN |
Dual-SIM GSM Fixed Wireless Terminal FCT-338DS ...
Come From MaxComm Co., Ltd.
Dual SIM gsm / pstn terminal, Support 2 SIM Cards: GSM (A) and GSM (B) , Conveniently choose GSM (A) , GSM (B) or PSTN ...
Come From HongKong HTW Industrial Company Limited