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8 port multirecharge modem
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Features: It is a 8 channels GSM Gateway that has 8 ports FXS interfaces. It can connect with ordinary telephone set, PBX or VOIP Gateway, call back system etc. Dialing tone frequency: 450hz Employ Industrial module (sim340) to make SIM card supported (1.8V, 3V) Caller ID display DTMF Dialing Bell signal Polarity reversal The RJ-11 socket which connect the phone or billing system for metering purpose Antenna socket (SMA) IP Presetting. Working status indicator Signal Strength indicator Technical Specifications Air interface standard: GSM8501900Mhz, 9001, 800Mhz phase 2+ full band Frequency ranges: A) GSM 850 GSM 1900:
