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SIMADO GFX11 System Manual
85
Appendix A: Technical Specifications
System Capacity
SIM Connection : 1
Extension Port (FXS) : 1
Control Architecture : CMOS Micro-Controller with Stored
Program Control
GSM port
GSM Frequency Band : Programmable from option viz. 900, 1800,
1900, 850+1900, 900+1800
RF power : 2W (900MHz) and 1W (1800MHz)
RF Sensitivity : Better than -102dBm
Speech Receive Gain : Programmable
Speech Transmit Gain : Programmable
Antenna Type : Fixed or Roof-Top with Flexible Cable
(5meter [195.85 Inch])
Antenna Gain : 2.5 dBi
Antenna Connector : TNC (Female)
FXS Port
Pulse Detection : 10PPS +/-10%, Make/Break=33:67ms
DTMF Detection : ITU-T recommendation Q.24
Caller ID Presentation : DTMF, FSK-V.23 and FSK Bellcore 212
Extension loop Current : 40mA
Loop Limit : 250Ω (excluding telephone)
Off Hook AC Impedance : 600Ω
Ringing voltage : 55Vrms@25Hz Trapezoidal
Connection : RJ11
Protection : Solidstate (over voltage and over current
protection)
Answer Signaling : None, Polarity Reversal
Disconnect Signaling : None, Polarity Reversal and Open Loop
Disconnect
Disconnect Signaling : 500ms, Programmable
Timer