CEL-FI signal boosters are the only devices that meet Ofcom's stringent requirements for use in the UK[2][5]. To be license-exempt, signal boosters must meet key requirements outlined by Ofcom[2][5]. These requirements ensure that the devices do not disrupt mobile networks or interfere with other users[2]. They must also be approved by mobile network operators[5].
Key requirements:
* No Interference Signal boosters must avoid causing harmful interference or disrupting other users' connectivity[5]. The technology should adapt seamlessly to changes in the network environment, minimizing the risk of interference[5].
* Network Safe Devices must be recognized and approved by mobile network operators, amplifying signals exclusively for the designated network without adverse effects on its operation or other users[5].
* Automatic Gain Control (AGC) Built-in AGC technology is imperative, preventing oscillation and maintaining optimal performance by adjusting gain based on the input signal's strength[5].
* Uplink and Downlink Shutdown The booster must automatically shut down or reduce gain in both uplink and downlink directions to prevent interference and ensure responsible usage[5].
Using a non-compliant signal booster can lead to fines or legal action[2][5]. CEL-FI signal boosters are fully compliant with Ofcom requirements and are legal to use in the UK[1][3][9].
Citations:[1] https://www.uctel.co.uk/blog/mobile-phone-signal-booster
[2] https://www.signalsolutions.co.uk/blog/signal-boosting-regulations/
[3] https://signalboosters.co.uk/products/cel-fi-connect-c41-self-install-solution-for-home-office
[4] https://www.ofcom.org.uk/siteassets/resources/documents/consultations/category-2-6-weeks/100208--mobile-phone-repeaters/associated-documents/repeaters-statement-2017.pdf?v=322774
[5] https://www.ukconnect.com/post/a-deep-dive-into-ofcoms-signal-boosting-regulations
[6] https://mobilesignalsolutions.co.uk/legal-mobile-signal-boosters/
[7] https://www.ispreview.co.uk/index.php/2023/10/ofcom-uk-to-soften-mobile-signal-booster-requirements.html
[8] https://www.ofcom.org.uk/__data/assets/pdf_file/0029/263567/utilities-cfi-June-2023.pdf
[9] https://signalboosters.co.uk/products/cel-fi-go-g41-bundle-for-businesses