Mini Power dual band GSM 3G Booster with LCD Display
  • Mini Power dual band GSM 3G Booster with LCD Display
  • Mini Power dual band GSM 3G Booster with LCD Display

Mini Power dual band GSM 3G Booster with LCD Display

  • Model No: CP921
  • Availability: In Stock



Mobile phone GSM900 3G repeater captures weak cellular signals through a high gain outdoor antenna and boosts the indoor GSM 3G signals. CP921 signal booster increases coverage up to 250 square meters. CP921 wise repeater will give you guaranteed signal coverage for your home, office, cabin, warehouse or facility, especially the signal dead zones.


The cp921 mobile repeater is compatible with all GSM 900Mhz and 3G networks/providers. It has built-in interference protection electronics to prevent signal overload and oscillation.  Mobile phone GSM900 3G repeater kit includes provide you an easy and economical solution to increase signal strength and stop dropped calls. It is simple to install and comes with 100% free technical support. 


  • Dual Band GSM 900MHz and 3G 2100
  • 55db gain
  • Coverage up to 250 sq m
  • Supports up to 10 simultaneous users
  • Works with all GSM and 3G WCDMA Networks/Providers
  • LCD to show signal strength
  • Simple and easy to install

Package includes:

  • Dual band GSM 900MHz 3G Repeater 
  • AC/DC power supply


1) Mount external aerial antenna in outdoors and make sure it point at the nearest mobile tower to get stronger signals.  Connect it to 10m signal cable.

2) Connect 10m cable to the repeater.  Connect the indoor whip antenna and plug in the power adapter.  (The effective coverage area of mobile repeater kit depends on the input signal provided from outdoor antenna.)

Technical Specification
Frequency GSM900 Uplink: 890~915MHz; 935~960MHz 3G 2100: Uplink: 1920~1990MHz; Downlink: 2110~2180MHz
Power 17dBm
Gain Uplink: ≥50dB; Downlink: ≥55dB
Coverage Area 250 Square Meters
Connector Type N Female
Power Supply 12V, 2A
Mechanical Specification
Color Grey
Dimension 235mm(L) x 180mm(W) x 17mm(H)
Operating Temperature -10℃~60℃
Humidity <90%

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