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Home » GSM Booster UK Review: GSM PRO 900mhz 1000m2 Mobile Phone Signal Booster

GSM Booster UK Review: GSM PRO 900mhz 1000m2 Mobile Phone Signal Booster

The GSMBOOSTER PRO Boost 900MHZ repeater kit (GSB903) captures and boosts a weak mobile signal through a Hi Gain Yagi antenna and amplifier. Designed to boost coverage for your home, office or building up to 1000 m2 over the 900 MHz frequency. The GSM Booster PRO 900Mhz (GSB903) kit comes complete with everything you need to increase mobile phone signal strength and stop dropped calls. The GSB903 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 and you can find all the info about that by simply browsing through our blog.

Kit Overview

  • GSM 900 Mhz Networks
  • All UK 900mhz Mobile Phone Networks Vodafone, O2, Tesco Mobile , Giff Gaff, Asda Mobile
  • All Ireland 2G 900mhz Mobile Phone Networks
  • Coverage up to 1000 m2
  • Supports up to 15 simultaneous users
  • Works with all Worldwide 900MHz Mobile Phone Networks

What’s in the Box

  1. GSM PRO 900 Mhz GSB903 1000m2 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=65, Downlink Gp=75
  • 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 PRO GSB-903 Mobile Phone Signal Booster Repeater has been designed for the 900 Mhz 2G Mobile Phone Networks. Boosting mobile phone Calls and 2G EDGE and GPRS Data services. If you are looking to boost 3G Broadband signal please look at the following products (3G Boosters)


Yagi Antenna 55cm x 14cm x 3cm – Larger directional antenna 8db input. Ideal for rural areas or properties with low input signal

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