SKU: Hi20-3S Category: Tag: Brand:

Hi20-3S 2G | 3G Voice & Data | 4G Lite EE 4000m2


  • Networks: EGSM900+DCS/LTE1800+WCDMA2100
  • Coverage: up to 4000 sqm2
  • Remote control via a free mobile app

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If you are struggling with bad mobile phone signal coverage in your House, offices, Hotels and large space, etc . HiBoost Hi20-3S  is a perfect booster for you to help tackle this issue and instantly improve your GSM voice/text and 3G/4G voice and data coverage. This five Band booster is compatible with all networks in UK and Europe transmitting on the following frequencies -EGSM900+DCS/LTE1800+WCDMA2100 MHz and will enhance clearer talks on the phone without breaks and enable fast 3G mobile data to download.

The Hi20-3S is ideal for use in Large houses, business center office buildings, restaurants, hotels, shopping malls, etc, and any other indoor space of up to 4000 m². you can achieve wider signal coverage areas if an extra indoor panel or Omni antenna is added. This device effectively supports 100 simultaneous users, supports five frequencies and you are guaranteed smooth and uninterrupted calls.

HiBoost Hi20-3S auto-adjusts to best signal output within 1 minute of switching on. Hi20-3S is packed with super cool intelligent features that make it an easy install, a basic plug, and a play device.  It is suitable for multi rooms and floors connection for those looking to extend coverage to four or five rooms and two or three floors in their building.  Please note that for multi rooms or floor installations purchase of more accessories will be required. kindly talk to our Technical support about this and we will be happy to help. 

Key Features

  • Networks: EGSM900+DCS/LTE1800+WCDMA2100
  • Coverage: up to 4000 sqm2
  • Remote control via a free mobile app
  • Kit with outdoor directional antenna and cable
  • Intelligent and informative LCD display
  • Smart AGC & MGC functions
  • Officially CE- and RoHS-certified
  • 3 Year Warranty
  • 15 Days Money Back assured
  • 100 Simultaneous users

The HiBoost Hi20-5S is built to boost and significantly improve mobile phone signal coverage for very large buildings and is packed with many amazing features including:

Mobile APPS 

Hi13-3S Voice & Data – 1000 sqm2

This smart function is synonymous with all the Hi-Boost 3/3S/5S series, this feature enables users to monitor and control the functionality of their device remotely via wifi or Bluetooth from any location. Through the mobile app, you can switch your device on/off and also set the signal gains on your booster.

The App  “Signal supervisor” allows users to take control of your devices wherever and whenever you want through wifi or Bluetooth. Users can also share their devices with their technicians via these Apps.  This App is easy to download from the Apple Store or Google play store.

Built-In Indoor Antenna

Another great feature of the booster is the in-built indoor antenna that allows the booster to transmit full signal coverage without the need for an extra indoor antenna. There is an option to add extra antennas to the booster without the need for a splitter. The indoor antenna keeps your ceiling free of antenna hanging from them and because you don’t have to install any indoor antenna you actually installation time.

Smart LCD Functions

Real-Time Monitoring

You take control of the current working status of your booster through the Information on the gain, frequency, and output power displayed on the LCD of the booster.

Smart Troubleshooting

Detects and shows an exact kind of malfunction (ALC or ISO) giving you the cue that is necessary to fix.

Assistance in Installation

Helps to find the best point for outdoor antenna mounting based on the output power value displayed on the screen.

Automatic Gain Control

AGC automatically measures and adjusts incoming signals strength and only allows strength needed for coverage in your area to be released. This feature helps prevent interference and frequencies overlap.

 All our Boosters are really easy to install with our easy to use Installations manuals.

  • A mobile phone signal booster is supplied with all the accessories you require for set up and use. It is basically a plug and play device and which can be done without employing any professional installer.
  • The Booster and the indoor antenna should be mounted inside the intended coverage area. Link the antenna and the booster with the coaxial cable supplied with the system.
  • Plugin the mobile booster to a power source and start experiencing a no drop calls and high-speed data download. The device will auto-adjusts the best parameters for your area in 30 seconds after the start.

IMPORTANT NOTE:  Please call our Technical Support for advice if you are installing one of our pro series boosters, multiple rooms connections and or need further clarifications on any or all of our products.

What’s Included With Your Booster

• Five bands mobile signal booster
• Outdoor wideband directional antenna
• Indoor  antenna
• HiBoost 200 low loss cable 50ft/15.2 m
• 12V / 3A, AC /DC power supply


All our Boosters are certified under the UK and EU safety Laws

Hi13-3S Voice & Data – 1000 sqm2


Delivery & Returns

Free Delivery over £100
Returns: Please refer to our Returns Policy page


Vodafone, O2, EE, Three


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Free Delivery over €100 Returns: Please refer to our Returns Policy page