# The Wireless Telegraphy (Direct to Device Satellite Communications) (Exemption) Regulations 2026, Regulation 4: Terms, provisions and limitations

Extent: E+W+S+N.I.

(1) The terms, provisions and limitations are those in paragraphs (2) to (9).
(2) The wireless telegraphy apparatus must not cause or contribute to any undue interference to any wireless telegraphy.
(3) The use of the wireless telegraphy apparatus must not be airborne.
(4) The wireless telegraphy apparatus must (when transmitting and receiving radio signals to and from a space station) only operate on radio frequencies within the frequency bands listed in paragraph (5).
(5) The frequency bands are—
(a) 1710.1-1715.9 Megahertz; ...
(b) 1805.1-1810.9 Megahertz;
(c) 880.1-885.1 Megahertz; and
(d) 925.1-930.1 Megahertz.
(6) The wireless telegraphy apparatus must (when transmitting and receiving radio signals to and from a space station) only operate using one (or more than one) of the standards listed in paragraph (7), which are published by the European Telecommunications Standards Institute.
(7) The standards are—
(a) the GSM standard with reference EN 301 511 V12.5.1;
(b) the UMTS standards with references—
(i) EN 301 908–1 V15.2.1; and
(ii) EN 301 908–2 V13.1.1;
(c) the LTE standards with references—
(i) EN 301 908–1 V15.2.1; and
(ii) EN 301 908–13 V13.2.1; and
(d) the 5G new radio (NR) standards with references—
(i) EN 301 908–1 V15.2.1; and
(ii) EN 301 908–25 V15.1.1.
(8) When transmitting using the GSM standard, the mean power must not exceed—
(a) 30dBm total radiated power when transmitting on the frequencies specified in regulation 4, paragraph (5), sub-paragraphs (a) and (b); and
(b) 33 dBm total radiated power when transmitting on the frequencies specified in regulation 4, paragraph (5), sub-paragraphs (c) and (d).
(9) When transmitting using the UMTS standards, the LTE standards or the 5G new radio standard the mean power must not exceed 25 dBm total radiated power.

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Source: https://www.legislation.gov.uk/uksi/2026/139/regulation/4 (the official version)
Page: https://openlegislation.uk/wireless-telegraphy-direct-to-device-satellite-communications-exemption-regulations-2026/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.