# The Wireless Telegraphy (Exemption) Regulations 1999, Paragraph 6: Radio Local Area Networks


Wireless telegraphy apparatus designed or adapted–
(a) for the provision of short range data links, so as to be capable of use only within the frequency bands, and at a radiated level not exceeding the maximum for such frequency bands, specified in the table below and subject to the following sub-paragraphs;
(b) in category i, prescribed apparatus using frequencies relating to direct sequence spread spectrum modulation are limited to a maximum spectrum power density of −20 dBW/1 MHz without exceeding the eirp value. For frequency hopping spread spectrum, the maximum spectrum power density is limited to −10 dBW/100 kHz without exceeding the eirp value;
(c) analogue speech is not permitted–
Category
Frequencies or frequency band
Radiated level
Channel bandwidth
Music or speech permitted
Duty cycle
ETSI standard
i
2400–2483.5 MHz
100 mW eirp
—
—
—
ETS 300 328
ii
5150–5250 MHz
1 W eirp
—
—
—
ETS 300 836–1
iii
5250–5300 MHz
1 W eirp
—
—
—

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