Talkback - Ofcom

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Cymraeg

Spectrum Radio equipment Licence information

Published: 6 February 2015

Last updated: 16 March 2023

Talkback Base stations, handsets, walkie-talkies for off air communications, off air communications via walkie-talkie (portable) and base station.

Frequency Pairs

The frequencies listed for talkback are mostly in pairs. This is because they are designed for duplex (Base Tx/Rx, Portable Tx/Rx) operation. For simplex use either half of the pair can be used; continuous transmit (base half) or press-to-talk (portable half).

Specifications

Standard powers are 5W base and 1W portable for outdoor use, 1 W base and 100mW portable for indoor use.

Standard bandwidth is 12.5kHz.

Assignments are calculated and issued on the basis that the radio equipment is manufactured and used in conformity with the UK Interface Requirement IR 2038, this requires the use of Isolators (circulators).

Related Content

Fees

Fees for using talkback bandwidths.

Channel 21

The tuning range of some standard UHF talkback equipment can be extended into frequencies within UHF TV Channel 21 (470 - 478 MHz).

OB Talkback

Outside broadcast frequencies are intended for short term use at any location. The frequencies available for PMSE use are listed here.

In-Band Talkback

The range of frequencies from 470 - 790 MHz is used for broadcasting TV signals across the country and is commonly referred to as 'In-Band'. PMSE can assign frequencies in this range for PMSE as long as the operation does not interfere with TV reception.

Fixed Site Talkback

Technical information about fixed site talkback (462-469 MHz band).

See also...

Electronic Communications Code: Consultations and Final Directions

Consultation documents and final directions relating to the application and revocation of the Electronic Communications Code.

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