1, Features: 1) It is a 8 channels GSM Gateway that has 8 ports FXS interfaces. 2) It can connect with ordinary telephone set, PBX, VOIP Gateway, Billing meter etc. 3) Dialing tone frequency:450hz
4) Employ Industrial module [Sim300 (Tri-band 900/1800/1900Mhz),Sim340 (Quadband
850/900/1800/1900Mhz) or Wavecom Q2303A,Q2403A (Dual band 900/1800Mhz) ] to make
5) Can adjust dial interval from 0.5sec to 9 secs by setting up from telephone set
6) Can adjust voice volume by setting up from telephone set
7) SIM card supported (1.8V, 3V) 8) Caller ID display
9) DTMF Dialing
10) Bell signal
11) Polarity reversal
12) The RJ-11 socket which connect the phone or billing system for metering purpose
13) Antenna socket (SMA) 14) IP Presetting. 15) Working status and Signal Strength by LED indicator
16) IMEI Change (optional)
2, Technical Specifications
Air interface standard: GSM850/1900Mhz,900/1,800Mhz phase 2+ full band
Frequency ranges: A) GSM 850 GSM 1900:
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