GSM/3G Fixed Cellular Terminal for Voice and Data Applications


SIMADO GFXD1111S is a single channel GSM/3G-FXO-FXS bridge which can be used for voice, data and SMS applications. The unit works as an interface between GSM/3G and POTS networks. On the GSM side, it supports all GSM/3G frequency bands, providing world-wide usage flexibility. On the POTS side both FXS and FXO interfaces are supported. Incoming calls on GSM/3G port can be routed on FXS or FXO port.

SIMADO GFXD1111S converts all fixed-to-mobile calls into mobile-to-mobile calls for significant cost savings. Furthermore, SIMADO GFXD1111S can be connected to a computer using serial interface port for web browsing, sending and receiving SMS, data and file transfer.

SIMADO GFXD1111S is an ideal choice for small offices with need of lowering communication cost, home offices, remote project sites with limited fixed-line connectivity, temporary office set ups and retail shops.

Key Features

  • Easy connectivity with existing telephony interfaces
  • Fall-back connectivity to PSTN in IP network outage
  • Web-browsing and File Transfer  using Class 10 GPRS Services
  • SMS send/receive using PC based Clients
  • 12/16 kHz metering  pulse generation for  accurate billing in payphone applications
  • Restrict unwanted calls  with list of denied numbers
  • Direct number dialing on the cellular networks with automatic number translation
  •  Hotline extension dialing
  • Country specific programmable call progress tones like Dial Tone, Ring Back Tone and Busy Tone etc.
  • Caller ID presentation on analog extension
  • Emergency number dialing, even in absence of SIM card


GSM/3G# and POTS Connectivity for Traditional PBX

GSM/3G# and POTS Connectivity for Traditional PBX

  • Reduce fixed to mobile call costs
  • PBX users can access GSM/3G and PSTN network from traditional analog extension
  • Maintain existing dialing habits and communication patterns
  • Compatible with all industry leading PBXs

Data Applications

  • Web browsing  and File Transfer  over GPRS
  • Send and Receive SMS using various SMS Clients
Data Applications



SIMADO GFXD1111S  GSM FCT for Voice and Data Applications
SIMADO GFXD1111S 3G#  3G FCT for Voice and Data Applications

Mobile Port:

GSM/3G SIM Cards 1
Frequency Bands Quad-Band GSM850, EGSM900, DCS1800, PCS1900
Tri-Band WCDMA 850/1900/2100 MHz or
Tri-Band WCDMA 900/1900/2100 MHz
SIM Interface 1.8, 3V SIM Interface
Compliance ETSI GSM Phase2/2+ compliance


Connectivity GPRS Multi-slot Class 10
GPRS Mobile Station Class B
Data Downlink Transfer : 85.6 Kbps (Max)
Uplink Transfer: 42.8 Kbps (Max)
Supports packet Switched Broadcast Control Channel (PBCCH)

COMM Port:

RS232C DB9(Female)  Serial Interface 

FXO Port:

Connector RJ11 Connector
Dialing and Reception DTMF and Pulse Dialing
CLIP DTMF, FSK ITU-T V.23 and FSK Bellcore 202A CLI

FXS Port:

Connector RJ11 
Dialing and Reception Pulse and DTMF Dialing
CLIP DTMF and FSK CLI Presentation
Answering and Disconnect Signaling Polarity Reversal for Call Connect/Disconnect Signaling

Power Supply:

Input External Power Adaptor
Input: 90-265VAC, 47-63Hz
Output: 12VDC@1.25A
Power Consumption 5W (Typical)


Dimensions 18.35 x 19.8 x 4.46 cm (5.26”x 7.8”x 1.76”)
Mounting Options Wall Mount and Table Top
Operating Temperature -10°C to +50°C (14°F to +122°F)

Note: *Available in SIMADO GFXD1111S,  # Available only for Voice Applications



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