# The Wireless Telegraphy (Short Range Devices) (Exemption) Regulations 1993, Paragraph 12: Narrow Band Radio Microphones


Any wireless telegraphy apparatus incorporating a microphone which is designed or adapted—
(a) for transmission within a bandwidth not exceeding 25 kHz; and
(b) so as to be capable of use only on one or more of the frequencies and at a power not exceeding the maximum for such frequencies, specified in the table below—
Frequencies
Maximum power erp
174.600 MHz
5 mW
174.675 MHz
5 mW
174.770 MHz
5 mW
174.885 MHz
5 mW
175.020 MHz
5 mW

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Source: https://www.legislation.gov.uk/uksi/1993/1591/schedule/paragraph/12 (the official version)
Page: https://openlegislation.uk/wireless-telegraphy-short-range-devices-exemption-regulations-1993/schedule/paragraph-12
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.