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Home » GSM 900/1800 Dualband Mobile Phone Signal Booster, Repeater

GSM 900/1800 Dualband Mobile Phone Signal Booster, Repeater

Boost Cell Phone Signal with the GSMBOOSTER Dualband 900/1800 mhz repeater kit (GSBDUAL9/8) captures and boosts a weak mobile signal through a Hi Gain Panel and amplifier. Designed to boost coverage for your home, office or building up to 300 m2 over the 900 MHz frequency. The GSM Booster Dualband 900/1800 (GSBDUAL9/8) kit comes complete with everything you need to increase mobile phone signal strength and stop dropped calls. TheGSBDUAL9/8  is simple to install and most effective by placing the external antenna in a loft space or the roof of the property.

All GSM Booster Mobile Phone Signal Boosters Come with technical support and prompt despatch.

Kit Overview

  • GSM 2100 Mhz Networks
  • All UK Mobile Phone Network  (except 3 Mobile)
  • All Ireland Mobile Phone Networks
  • Coverage up to 300 m2
  • Supports up to 15 simultaneous users
  • Works with all Worldwide 900MHz Mobile Phone Networks

What’s in the Box

  1. GSM Dualband 900/1800 Mhz GSBDUAL9/8 Mobile Repeater
  2. High gain external signal antenna
  3. 10 meters of high gain coaxial cable
  4. Indoor high gain antenna
  5. AC/DC main power supply
  6. Installation manual
  7. 30 day money back guarantee
  8. 12 Months Warranty


  • Gain ( dB) Uplink Gp=55, Downlink Gp=50
  • Pass band ripple =5dB
  • Guard band rejection (BW-60dB)=42MHz, (BW-70dB)=45MHz
  • I/O impedance 50O/N connector
  • I/O return loss =-8dB
  • Export power (Po) =10dBm
  • Intermodulation Attenuation: =-40dBc (Po=13dBm)
  • Transmission Delay =0.5µs
  • Ambient temperature -10?~50?
  • Power supply AC110~220V + – 10%
  • Power 12v
  • Power Use < 5 Watts
  • Connector Mode N/K for both in-out antenna socket
  • Size of Mobile Repeater 14cm x 12cm x 3cm

GSM Booster GSBDUAL9/8 Mobile Phone Signal Booster Repeater has been designed for the 900 and 1800 Mhz 2G Mobile Phone Networks. Boosting mobile phone Calls and 2G GPRS and EDGE Data services. If you are looking to boost 3G Data signal and calls please look at the following products (3G Boosters)


Mini Panel Antenna – 12cm x 14cm x 3cm – Small discrete Omni antenna 8db input. Ideal for most properties.

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