Frequency Telecom are a market-leading design manufacturer, master distributor, and solution provider of mobile phone accessories and signal boosters.
We are based in the UK and in Germany:
Our UK Head Office is
Emerald House, 14 East Street, Epsom, Surrey, KT17 1HS
Unit C, Longmead Business Centre, Blenheim Road, Epsom, Surrey, KT19 9QQ
c/o Regus Bonn FGS Campus, Fritz-Schäffer-Straße 1, 53113 Bonn
Please contact our customer service team who will be able to pass this onto our IT team.
We currently work with the following brands:
Eiger, Case FortyFour, Fuji, Joy, Cel-Fi by Nextivity, MAKO, Armor- X
If you would like to work with us, please contact our team at [email protected]
We continuously strive to improve our products and processes. Much we’d love to know how well we have done, we’d appreciate if you can let us know if we haven’t met your expectations. Please contact our team. We endeavour to find a resolution in the soonest possible time.
Our vacancies are published on our website as well as on our LinkedIn page.
For any media or marketing-related enquiry, please contact us on
If you have searched our website and can’t find the product you need, please contact us. We are happy to discuss your requirements.
You can create an account by filling out our account (hyperlink to account page) form with all relevant details.
Please click on ‘forgot my password’ and follow the instructions. Alternatively, contact us. Our team will be happy to help you reset your account.
You can log on to your account to track the progress of your order.
If you wish to return your order, please contact our customer service team.
If you have experienced any issues with your order please get in touch with our customer service team who will be able to assist.
If you haven’t received the order by the expected delivery time please contact our customer service team who will advise the best course of action.
To make a purchase you have two options;
You can purchase Cel-Fi Go and Solo units online. Please contact our sales team Cel-Fi Quatra solutions. Our very experienced team will need to organise a site survey before advising you on the appropriate solution.
All our product descriptions include our product features, coverage and type of installation. However, if you are unsure, please contact us. Our experienced team is always here discuss your requirements and recommend the most suitable solution.
A site survey enables us to accurately decide the best place to install a signal solution to get maximum coverage.
Yes, Within your trade account you’ll be able to download the marketing materials and images of our products. You’ll be able to download png files on a transparent background giving you creative freedom.
Our resellers enjoy a wide range of benefits. Once you have filled out the application form with all the required information. One of our team will get in touch with you.
Please contact our team on [email protected] or call +44 (0)20 8397 2222 (UK) or +49 (0)228 9293 9132 (Germany Office)
We would love to know how you resolved a pressing business issue by improving their mobile signal or meeting their accessories requirements. Send us your case studies to [email protected]
Cel-Fi Website FAQ’s
Cel-Fi is a Mobile signal booster solution that improves weak or non-existent mobile signal in an in-building or in-vehicle environment
Cel-Fi is Ofcom licence exempt, meaning it fully complies with Ofcom Mobile Repeater regulations and can be installed without the need for a network operator licence. Cel-Fi is also operator approved unlike other signal boosters
Signal boosters are illegal if they do not fully comply with Ofcom Mobile Repeater Exemption Regulation 2022
Yes. Following an update to regulations brought in by Ofcom in June 2022, multi-operator repeaters are now permitted in the UK.
The Cel-Fi QUATRA 4000e is Cel-Fi's multi-operator offering, with a single Network Unit (NU) able to boost up to four networks simultaneously.
Whilst the rest of the Cel-Fi range can only boost a single network at one time, it is possible to change the operator using the Cel-Fi Wave™ mobile app, should your provider change in the future.
No, unless the signal booster used is proven to be Ofcom licence exempt under UK law
Yes, Cel-Fi support 5G services as well as 3G & 4G mobile technologies
Cel-Fi re-broadcasts all mobile services available within the licence exemption frequency spectrum including voice and data services
Cel-Fi system can boost signal from 100m2 to 25,000m2 and beyond
Yes, Cel-Fi signal boosters are network operator specific
Yes, using the Cel-Fi WAVE tool, Cel-Fi signal boosters can be re-programmed to a different network operator
Cel-Fi provider specific boosters can boost multiple network simultaneously