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SKU :   GS-00-PH-WH04
Quad-band GSM FWT with USA dial tone and 4G networks support. Compatible to most telephones, PBX and VoIP gateways, support quad band frequency of GSM 850/900/1800/1900 MHz. Just put your GSM sim card in and connect to any types of regular land-line phone device at your own choice at your home or office.
Item in stock!
Our Price : $249.00   per unit
VoiceCTI Communications Inc

Quad-band GSM FWT with USA dial tone. Compatible to most telephones, PBX and VoIP gateways, suitable for frequency of GSM 900/1800 MHz dual band; GSM 850/900/1800/1900 MHz quad band phones. Just put your GSM sim card in and connect to any types of regular land-line phone device at your own choice at your home or office.

Supported GSM Sim Card Frequencies:

GSM 850/900/1800/1900 MHz

Main function & Features

GSM Phone to Home Phone Adapter Device

  • Simple to install and easy to maintain
  • Steady industrial module(SIM340) and reliable design ensures good performance
  • Provides optimized circuit directly connecting the exchange device for Extensions
  • Compatible to most telephones, PBX and VoIP gateways (for call Termination)
  • Connect to Alarm systems to realize wireless alarm(for security use)
  • Strong signals with high gain antenna
  • Support SIM card (1.8V,3V)
  • Support DTMF 2'nd dialing out
  • DTMF CLIP(Caller ID display)
  • Hide subscriber caller id (been sent out)
  • Provides reversal polarity signal for metering
  • Signal indiator and power indicator and working status indicator
  • Suitable for wide voltage range and low power consumption
  • Suitable for all kinds of weather and environment
  • Locking PIN / network (optional)
  • GPRS function(optional)
  • Support IMEI change(optional)


Air interface standard GSM850/1900Mhz,900/1,800Mhz phase 2+ full band
Working Frequency
Transmission 869.2 ~ 893.8MHz
Transmission 1, 930 ~ 1, 990MHz
Reception 824.2 ~ 848.2MHz
Reception 1, 850 ~ 1, 910MHz
GSM 900 GSM 1800
Transmission 890 ~ 915MHz
Transmission 1, 710 ~ 1, 785MHz
Reception 935 ~ 960MHz
Reception 1, 805 ~ 1, 880MHz
Channel space 200kHz
User line, bell signal In line with GB/T15279
Max power 0.25W / 0.5W
Immobility Less than 25mAh
Transmission Less than 400mAh
Sensitivity -105dB
Dial tone frequency 450MHz (standard)
Surrounding temperature -10 C ~ +40 C
Relative humidity 45% ~ 90% (without frost)
Atmosphere pressure 86 ~ 106KPa
Environment noise <60dB
Antenna amplifying 3.5dB (omni directional), 12dB (certain direction /Chosen direction)
AC power DC 10V - 20V
Input AC100 - 230V, 50 / 60Hz
Output 12V 1A
Switching type / transformer type AC adapter (optional)
Connector of power US or European type
Dimensions (L x W x H) (average) 185 x 135 x 22mm
Weight FWT: 400g
Full set with AC adapter, antenna and box 800g
Connection mode RJ-11 phone sockets
Antenna connection SMA antenna connection

Standard Component

Item Qty Remarks


GSM to Phone Adapter Device
Support Quad Band GSM / USA dial tone / USA dial tone auto dialing / Universal Manual Dialing
User's Manual




SMA antenna
Power Supply


Input: AC100 - 230V, 50 / 60Hz , Output: 12V 1A

About Us

VoiceCTI Communications Inc. began developing computer telephony integration (CTI) applications, and products more than two decades ago. The company's developers have the knowledge and the experience to offer simple low cost and easy to use applications, which can be used at any working or personal PC and telephone environments.

Contact Us

Sales: sales@VoiceCTI.com
Contact: contact@VoiceCTI.com
Support: support@VoiceCTI.com

Thank you for your business

VoiceCTI Communications Inc.
3171 route 9 North #350
Old bridge, NJ 08857

(732) 917-4778

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