SIMADO GFX44 GSM Fixed Cellular Terminal

Type: GSM/3G-FXS Gateway

Built-in Ports: 4 GSM/3G, 4 FXS Ports and 1 RS232C Port

Salient Features: Penta-Band WCDMA, Intelligent Router, CDR, RCOC, Windows-based Programming

Type of Antenna: SMA

No. of Antenna: 1 (Extended)

Power Supply: 12V DC (Adaptor Based)

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The SIMADO GFX44 serves as the gold standard in GSM gateway devices and supports calls from an array of existing telephone systems and devices. Moreover, it is easy to integrate into your existing telecommunications infrastructure, devices, and interfaces.

The SIMADO GFX44 has sophisticated algorithms in place to ensure the cheapest call rates for all outbound calls. Connect the SIMDAO GFX44 with your existing PBX architecture and connect to all major network carriers.

We are the bulk supplier of SIMADO GFX44 GSM Fixed Cellular Terminal at wholesale prices in North America and the Middle East. TNGITGlobal is a leading business telecom solutions and physical security products supplier company. We are committed to great products and high-quality services.


GSM/3G Trunking for Legacy Phone System

  • Make Mobile Calls from Existing Telephone Instruments
  • Easy Integration with Existing Telephony Interfaces and Devices
  • Automated Call Route Selection based on Least Cost Algorithms
  • Fixed-line Alternate/Backup for Remote Office Sites and Call Shops


  • Up to Four GSM/3G SIM support
  • Single Antenna for Four GSM SIMs
  • Quad-band GSM Network Operation
  • Tri-band 3G Network Operation
  • Time/Number based Call Routing
  • Direct Number Dialling on the Cellular Networks with Automatic Number Translation
  • Restrict Unwanted Calls with a List of Denied Numbers
  • CPC Signalling to Prevent Port Blockages and Accurate Billing
  • Caller ID Presentation on Analog PhonesHotline Extension Setting
  • Emergency Number Dialling on GSM/3G Networks, Dial Emergency Numbers even in the Absence of SIM
  • Easy Programming Interface


SIMADO GFX44 GSM to Analog Voice Gateway with Four GSM SIM and Four FXS Ports
SIMADO GFX44 3G 3G to Analog Voice Gateway with Four 3G SIM and Four FXS Ports
Mobile Port:
Frequency Bands Quad-band GSM850, EGS900, DCS1800, PCS1900
Tri-band WCDMA 850/1900/2100 MHz or Tri-band
WCDMA 900/1900/2100 MHz
Compliance ETSI GSM Phase 2/2+
SIM interface 1.8, 3V SIM Interface
Antenna 1.8/2.5 *dBi, 50, SMA (Male) Connector,
Fixed Omni Directional Swivel Antenna 1.8/3.0 *dBi, 50, SMA (Male) Connector,”Omni Directional with a Cable Three Meters Long
FXS Port:
Physical Connector RJ11
Dialling DTMF and Pulse (10/20PPS)
CLI Presentation DTMF, FSK ITU-T V.23 and FSK Bellcore 202A CLI
Call Maturity Polarity Reversal
Power Supply:
Input External Power Adaptor
Input: 90-265VAC, 47-63Hz
Output: 12VDC@2A
Power Consumption 8W (Typical)
Dimensions (WxHxD) 23.1 x 5.5 x 16.2 cm (9.09”x2.16”x6.37”)
Unit Weight 1.00 kg (2.21 lbs) Approx.
Shipping Weight 1.83 hg (4.03 lbs) Approx.
Mounting Options Wall Mount and Table Top
Operating Temperature 0°C to +45°C (32°F to +113°F)
Storage Temperature -20°C to +70°C (-4°F to +158°F)
Operating Humidity 5-95% RH (Non-condensing)
Storage Humidity 0-95% RH (Non-condensing) at 40°C
Regulatory Compliances:
IEC 60950-1, RoHS, FCC Parts15, CE
Click here to download product datasheet/specification