# The Wireless Telegraphy (Testing and Development Under Suppressed Radiation Conditions) (Exemption) Regulations 1989, Paragraph 1


Use of relevant stations and relevant apparatus for emission shall be limited to use –
(a) on a frequency within a frequency band specified in table 1 below; and
(b) where the maximum field strength of the emission does not exceed the limit specified in relation to that frequency band when measured at the distance specified in relation thereto.
TABLE 1
Frequency Band (MHz)
Limit for maximum field strength (dBμ V/m)
Distance at which measurement taken (m)
0.150 – 0.2835
34
100
0.5265 – 1.605
34
100
1.605 – 2.1735
48
100
2.1905 – 3.950
48
100
22.00 – 29.999
34
100
30.00 – 70.50
30
30
71.50 – 74.60
30
30
75.40 – 80.00
30
30
84.00 – 108.00
30
30
137.00 – 143.00
30
30
144.00 – 146.00
30
30
148.00 – 153.00
30
30
156.8375 – 225.00
30
30
400.00 – 405.50
30
30
406.50 – 450.00
30
30
453.00 – 464.00
30
30
467.00 – 960.00
30
30

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Source: https://www.legislation.gov.uk/uksi/1989/1842/schedule/paragraph/1 (the official version)
Page: https://openlegislation.uk/wireless-telegraphy-testing-and-development-under-suppressed-radiation-conditions-exemption-regulations-1989/schedule/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.