# The Wireless Telegraphy (Exemption) Regulations 1999, Paragraph 15: Social Alarms: For the elderly and infirm


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, and at a radiated level not exceeding the maximum for such frequencies, specified in the table below–
Frequencies or frequency band
Radiated level
Channel bandwidth
Music or speech permitted
Duty cycle
ETSI standard
27.450, 34.925, 34.950, 34.975 MHz
500 μW erp
12.5 kHz
No
—
EN 300 220–1
869.2–869.25 MHz
10 mW erp
≤ 25 kHz
No
≤ 0.1%

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Source: https://www.legislation.gov.uk/uksi/1999/930/schedule/6/paragraph/15 (the official version)
Page: https://openlegislation.uk/wireless-telegraphy-exemption-regulations-1999/schedule-6/paragraph-15
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.