# The Wireless Telegraphy (Direct to Device Satellite Communications) (Exemption) Regulations 2026, Regulation 2: Interpretation

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

In these Regulations—
“associated facility”, “electronic communications network” and “electronic communications service” have the meaning given in section 32 of the Communications Act 2003;
“dBm” means decibels of power referenced to one milliWatt;
“mobile satellite system” means an electronic communications network and associated facilities which is capable of providing radio-communications services between mobile earth stations and one or more space stations; and
“total radiated power” is the integral of the power transmitted in different directions over the entire radiation sphere, measured when the apparatus is transmitting.

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Source: https://www.legislation.gov.uk/uksi/2026/139/regulation/2 (the official version)
Page: https://openlegislation.uk/wireless-telegraphy-direct-to-device-satellite-communications-exemption-regulations-2026/regulation-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.