# The Wireless Telegraphy (Exemption) Regulations 1999, Paragraph 14: Alarms


Wireless telegraphy apparatus designed or adapted–
(a) to generate or indicate an alarm condition; or
(b) to arm or disarm the alarm system,
so as to be capable of use on one or more of the frequencies within one of the frequency bands, and at a radiated level not exceeding the maximum for such frequencies or frequency bands, specified in the table below–
Frequencies or frequency band
Radiated level
Channel bandwidth
Music or speech permitted
Duty cycle
ETSI standard
868.6–868.7 MHz
10 mW erp
≤ 25 kHz
No
≤ 0.1%
EN 300 220–1
869.250–869.3 MHz
10 mW erp
≤ 25 kHz
No
≤ 0.1%
869.65–869.7 MHz
25 mW erp
≤ 25 kHz
No
≤ 10%

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Source: https://www.legislation.gov.uk/uksi/1999/930/schedule/6/paragraph/14 (the official version)
Page: https://openlegislation.uk/wireless-telegraphy-exemption-regulations-1999/schedule-6/paragraph-14
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.