GSM Gateway:

Main feature:

1.GSM: 900/800MHZ2.Adopts nokia mobile module3.Compatible to most telephones.4.Provides reversal polarity sign5.Have a LCD display call out number,call in number,time,billing metering and etc.6.Caller id. With DTMF

Summarize

The design of the  FWT is to supply a standard sound phone in the area of the GSM Cell Network covering.

The interface board of the  FWT supply a clear bond between standard phone or a VOIP GATEWAY or a PBX and GSM Cell Network it possesses the function of the emulation phone exchanger and supply:

Dialing tone

DTMF Dialing

Bell signal

Polarity reversal

the RJ-11 socket which connect the phone or the payment

The 2.1mm round hole outlet with access DC +9V

Antenna socket (SMA)

RS232 interface (DB9-HL)

Working state indicator

Signal Strength indicator

GSM Gateway fixed wireless terminals