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The Wireless Telegraphy (Mobile Repeater) (Exemption) Regulations 2022
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- UK Statutory Instruments
- 2022 No. 595
- PART 2
- Terms, provisions and limitations...
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Point in time view as at 16/06/2022.
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There are currently no known outstanding effects for The Wireless Telegraphy (Mobile Repeater) (Exemption) Regulations 2022, Cross Heading: Terms, provisions and limitations for all mobile repeater devices.
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Terms, provisions and limitations for all mobile repeater devicesU.K.
Limitations on transmissionsU.K.
5.—(1) The mobile repeater device must only be established, installed, and used where the transmissions it makes on downlink frequencies are made indoors.
(2) The mobile repeater device may only amplify signals carried over the downlink frequencies and the uplink frequencies.
Commencement Information
I1Reg. 5 in force at 16.6.2022, see reg. 1
Prohibition on undue interferenceU.K.
6. The establishment, installation, and use of the mobile repeater device must not cause or contribute to undue interference to other users of the electromagnetic spectrum.
Commencement Information
I2Reg. 6 in force at 16.6.2022, see reg. 1
Anti-oscillation requirementsU.K.
7.—(1) The mobile repeater device must—
(2) Any oscillations in the uplink frequencies must be detected within 0.3 seconds.
(3) Any oscillations in the downlink frequencies must be detected within one second.
(4) Subject to paragraph (5), if the mobile repeater device detects any oscillations, it must use an anti-oscillation technique which stops those oscillations and continues for at least one minute.
(5) If an anti-oscillation technique has been used on five occasions in accordance with paragraph (4), and the mobile repeater device subsequently detects further oscillations, it must cease transmitting.
(6) A mobile repeater device which has ceased transmitting in accordance with paragraph (5) must only resume operation if it has been manually reset.
(7) For the purpose of this regulation, a mobile repeater device makes oscillations when the transmissions made by the mobile repeater device are received and subsequently re-amplified by that device, resulting in a fluctuation in the transmit power of that device (either in the frequency band being amplified or in another frequency band).
Commencement Information
I3Reg. 7 in force at 16.6.2022, see reg. 1
System noise figure limitU.K.
8.—(1) The system noise emanating from the mobile repeater device shall not exceed a system noise figure of 7 dB.
(2) For the purpose of this regulation—
(a)“system noise figure” means the difference between (i) the noise power measured at the output port of the mobile repeater device, and (ii) the noise power which would be present at the output port of that device if the only source of noise from that device were thermal noise (which difference shall be expressed in dB); and
(b)“thermal noise” means the noise power from a mobile repeater device due to the thermal agitation of charge carriers within that device at room temperature, which noise occurs even if the mobile repeater device is not amplifying any signals.
Commencement Information
I4Reg. 8 in force at 16.6.2022, see reg. 1
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