Mobile Booster Voice and 4G LTE | Signal Boosters | UK

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Mobile Booster Voice and 4G LTE – 300 sqm

(O2, Vodafone, Giff Gaff, Tesco Mobile, Talk Talk)

Bestseller Mobile Booster Voice and 4G LTE – 300 sqm

  • Application:

    2 Band

  • Coverage:

    up to 300 sqm

  • Ideal For:

  • Provider:

  • Frequency:

    800/900 Mhz

  • Data:

    Calls & Data
Free Shipping In UK Delivery time: 5-7 Business Days

Benefits and Features:

  • Instant Signal Boost of up to 5 bars
  • CE & RoHS ISO Certified Product
  • Easy Installation
  • Instant Technical Assistance
  • 3 -Year Warranty

Our Mobile Booster Voice and 4G model is the bets option for areas up to 300 sqm with a poor signal strength outside, up to 3 bars. This is a really good deal for a flat, small office, little bar, etc. It will boost all major UK operators’ calls and 4G signals in the 800/900 MHz frequency in case of outside signal of 4-5 bars.

£ 265

Was £ 345. Save £ 80

Units Sold: 6113

Free Shipping

Overview

Kit includes:

  • 1x repeater
  • 1x outdoor panel antenna
  • 1x indoor antenna
  • 1x power adapter
  • 1x 15 meters cable
  • 1x 5 meters cable
For better connection add LPDA antenna to your order.
Select Option
If our standard package cable lenght is not enought to cover your area you have an upgrade option.
Upgrade your booster kit with our internal antenna for optimal performance in larger spaces.
Get My Signal Hero - Try Risk-Free

This dual-band  version signal booster is a superstar when it comes to providing crystal clear voice and data coverage in an area with a poor outside signal and 800/900MHz frequency range. It is specialized for 4G (although it also covers a range of networks in 2G as well). It works with Vodafone, GiffGaff, O2, Tesco Mobile or Talk Talk (here is a selection of boosters that work with Talk Talk) and has a range of up to 300m². Once it’s installed you can expect instant 5-Bar coverage. For versatile signal coverage, you can’t go wrong with this powerful booster. With our easy installation kit and 24/7 customer service, this signal booster can be up and run in less than 15 minutes. Plus, with our 60-day Money Back Guarantee and a 3-Year Warranty, you can rest assured your purchase is risk-free. Commitment might be hard, but choosing the right signal booster shouldn’t be!

  • Technical Sheet
  • Coverage
    up to 300 sqm
  • Use
    Flat
    Small Home
    Small Office
    Boats
    Other Small-Sized areas
  • Operator
    O2 (2G & 4G)
    Vodafone (2G & 4G)
    Giff Gaff (2G & 4G)
    Tesco Mobile (2G & 4G)
    Talk Talk (2G & 4G)
  • Frequency
    800/900 Mhz
  • Number of simultaneous users
    50
  • Up-link
    832-862 MHz
    890-915 MHz

  • Down-link
    791-821 MHz
    935-960 MHz
  • Voltage
    AC/220V±10% 45~55Hz
  • Dimensions
    225*140*32 mm
  • Weight
    1.2 kg
  • Power
    • Red
      Normal
    • Off
      DC power problem
  • DL (Downlink)
    • White
      No signal received Solution: Adjust the outdoor installation to get sound signal
    • Green
      Signal received ok but not perfect
    • Red
      Full signal received
  • UP (Uplink)
    • Flicker
      When there is a call it is normal
    • Green
      Always green means self-excited Solution: Turn off the booster, adjust the indoor and outdoor antenna again and try to expand the distance or create some barriers between them.
  • ALA (Alarm system)
    • Red
      The installation is not correct. For example, the outdoor antenna been stolen the cable is not connected properly There are strong input signals or severe self-oscillation, measures must be Take n(please note that our boosters have auto shut off function so the red color status can only maintain for 5 seconds).
    • Off
      Booster breaks down, or severe self-oscillation leads to auto mute Re-plug in and check if alarm LED turns Red.
  • output
    Up link:15dBm Downlink: 17dBm
  • Port VSWR
    ≤1.8DB
  • Noise figure
    ≤6dB
  • Ambient temperature
    -15°C~55°C
  • Function
    a) Power supply LED denote
    b) Export power LED denote
  • I/O impedance
    50Ω/N connector
  • Transmission delay
    ≤0.5μs

FAQ

  • Why Signal Hero mobile signal boosters is the best solution for poor reception?

    Signal Hero mobile signal booster is the only working solution if you have a weak signal and dead zones. It helps to improve signal strength so you can access the internet more quickly, and stream videos without buffering.

    With our booster you can make and receive calls without interruption, ensuring you're always in touch with your family and friends.

    In general, the booster catches the signals from the nearest cell tower in the area by the external antenna which is included in the kit, then it sends the signal to the booster box. The box amplifies the signals, ensuring reliable coverage even in areas with poor signal strength, and the internal antenna spreads the signals inside the closed area.

  • Please, help me to find the best booster. How do I know which one?

    If you want to find the best booster for you there are 2 easy options:

    •  Use our Booster Finder Wizard to find the best booster based on your needs.
    • If you're still having trouble finding the right booster after using the Wizard, contact our technical support team via chat or phone. They'll be happy to assist you in finding the best solution.
  • What makes the Signal Hero different?

    1. At Signal Hero, we are committed to providing high-quality boosters at unbeatable prices.

    2. Since 2010, we've been dedicated to improving cellular signals with our specialized boosters, putting our CUSTOMERS FIRST every step of the way.

    3. Our boosters fix more than the signal. Signal Hero customers enjoy fewer dropped calls, better voice quality, faster internet speeds, and improved video streaming.

    4. In addition, we provide peace of mind with our industry-leading 24/7 after-sale service:

    - Lifetime Support

    - 3-Year Warranty

    - Installation Services (for enterprise solutions)

    5. And if it’s not a perfect solution for you, we’ll refund your purchase or replace it. No hard feelings.

  • Does this need installation? Can I set this up myself?

    Installing our boosters is easy - in fact, 98% of our customers do it themselves. The device is plug-and-play, so all you need to do is attach the units with cables and mount the antennas. We provide simple installation guides and videos to help you along the way.

    Moreover, we offer technical aftersales support after the delivery of your device, so you can have peace of mind knowing we're here to help.

How it works

Reviews:

4.9

304 customer reviews

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Reviews (304) Questions (0)
L
Luca P. Verified Customer2026/07/11

After installing this I found that my 3G signal was greatly improved throughout the house. Great stuff.

    B
    Billy P. Verified Customer2026/07/03

    Great site with good products and quick shipping

      N
      Nathan P. Verified Customer2026/06/26

      I’ve never experienced interrupted calling sessions since I acquired this device.

        J
        Jonathan R. Verified Customer2026/06/20

        I should have just bought this year's ago and not suffered for soooooo long

          J
          Jude L. Verified Customer2026/06/14

          I found the booster harder to install than other reviewers, maybe because I am not handy.However, the room the booster is in gives me very good signal quality. So, no more going out on the porch when I want to make a call!

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