mobile signal booster
Improve your indoor mobile coverage with one of our mobile signal boosters available for locations of any size.Â
Improve indoor mobile coverage and remove "not-spots"
The mobile signal boosters improve the mobile signal strength for 3G, 4G and 5G voice and data. You no longer need to walk around to find the best signal or raise your phone in the air. You can now have clear voice conversations and a reliable data connection.Â
A Cel-Fi smart signal booster addresses the challenge of poor mobile signal in buildings. Boost the signal across all major mobile networks, O2, Vodafone, Three and EE.
The boosters are available for many buildings, including flats, small homes and storefronts, large homes and commercial properties, industrial and remote use, large offices, warehouses and distribution centres.Â

Ofcom Compliant
Cel-Fi mobile signal boosters are license-exempt and fully comply with Ofcom's UK interface requirement 2102 (IR2102) (UK)

No More 'Not Spots'
Eliminate signal dead zones or not-spots in your building. A site survey will identify areas of the building with poor or no signal.

Boost 3G/4G/5G
Cel-Fi signal boosters will strengthen the signal with up to 100db gain for 3G, 4G and 5G voice and data.
Flats, small homes and storefronts​
The Cel-Fi PRIME is an ideal option for smaller spaces, and it can boost the signal in an area up to 100m2.
It is 10x stronger than traditional analogue boosters and strengthens 3G and 4G voice and data signal.
Key Features
- 5-minutes plug-and-play set-up
- 80 dB max signal gain
- Covers area up to 100m2
- Only available on EE and Three networks
- Easily switch between EE and Three via Cel-Fi WAVE app
Contact us to request a quote.


Larger homes and commercial properties​
The Cel-Fi SOLO is a powerful carrier-grade solution, ideal for large homes, small manufacturing buildings, warehouses, offices, retail outlets and other commercial properties. Each unit can boost the signal in an area up to 1500m2.
Get rid of signal dead zones by strengthening 3G, 4G and 5G voice and data signal.
Key Features
- 100 dB max signal gain
- Covers area up to 1500m2 per system
- Available on O2, Vodafone, EE and Three networks
- Easily switch between the networks via the Cel-Fi WAVE app
Contact us to request a quote.
Industrial and remote use​
The Cel-Fi GO X signal booster is suitable for signal coverage in rugged environments. Each unit can boost the signal in an area up to 1400m2.
The unit includes a weather-resistant Wideband Directional Antenna.Â
Strengthen 3G, 4G and 5G voice and data signal in challenging environments with the Cel-Fi GO X.
Key Features
- 100 dB max signal gain
- Covers area up to 1400m2 per system
- Available on O2, Vodafone, EE and Three networks
- Easily switch between the networks via the Cel-Fi WAVE app
Contact us to request a quote.


Large offices, warehouses and distribution centres​
The Cel-Fi QUATRA delivers high-quality mobile signal in buildings up to 19,000m2. Â
Strengthen 3G, 4G and 5G voice and data signal in large buildings with the Cel-Fi QUATRA.
Key Features
- 100 dB max signal gain
- Covers area up to 11,600m2 per system scalable up to 19,000m2
- Boosts 3g and 4G simultaneously
- Available on O2, Vodafone, EE and Three networks
- Easily switch between the networks via the Cel-Fi WAVE app
This product requires a site inspection. Please get in touch with us to request a quote.
Industrial and remote use​
Activate, Optimize, and Manage Cel-Fi products with the Cel-Fi WAVE App
Cel-Fi WAVE is the software application used for registering, setting up, remotely monitoring, and updating Cel-Fi products.
It provides a glance-able view of the state of your Cel-Fi environment and includes:
- A dashboard overview of all your systems
- Real-time data and performance metrics
- Easy activation and registration
- Operator changeover if you switch your network
- Software update management
- Users and group management
The Cel-Fi WAVE App is available for iOS, Android, PC and Mac devices.

Our Mobile Signal Booster Partner​
We work with a range of carefully selected partners to provide our clients with choice and a solution that meets their communications needs.
We are based in Bristol and Cardiff and cover the whole of the UK.
Our close relationship with industry-leading technology partners provides our clients with solutions that enhance their business.
Learn more about our clients
Get in touch
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