Home > Your Frequencies > Ground/Ground to Air > 400 - 450 MHz
Register of Frequencies: 400 - 450 MHz Non-airborne
| Centre Frequency or Lower edge of Band(MHz) | Upper edge of Band(MHz) | Maximum Effective Radiated Power (ERP) | Maximum Bandwidth | Restrictions and Notes All frequencies are available in England, Scotland, Wales, Northern Ireland, the Isle of Man and Channel Islands except where stated otherwise |
Typical Applications |
|---|---|---|---|---|---|
| 425.3125 | 425.5625 | 25 W | 50 kHz | Available only in Bristol, Bournemouth, Dorchester, Newport (Isle of Wight), Portsmouth, Southampton and Weymouth. | Temporary point-to-point audio links. |
| 427.7625 | 428.0125 | 25 W | 100 kHz | Available only in Greater London, West Midlands, East Midlands, Greater Manchester, Merseyside, South Yorkshire, West Yorkshire, Cleveland, Tyne & Wear, Glasgow, Edinburgh, Aberdeen. | Wide area Talkback. |
| 442.2625 | 442.5125 | 25 W | 100 kHz | Available only in Greater London, West Midlands, East Midlands, Greater Manchester, Merseyside, South Yorkshire, West Yorkshire, Cleveland, Tyne & Wear, Glasgow, Edinburgh, Aberdeen. | Wide area Talkback. |
| 446.4250 | 446.5125 | 5W | 50 kHz | A maximum ERP of 25 Watts is available within the M25. | Location duplex Talkback - Base Tx (Portable Tx in 467 MHz band). |
| 446.5125 | 447.5125 | 25 W | 100 kHz | Available only in Greater London, West Midlands, East Midlands,
Greater Manchester, Merseyside, South Yorkshire, West Yorkshire, Cleveland, Tyne
& Wear, Glasgow, Edinburgh, Aberdeen, Bedfordshire, Cambridgeshire, Derbyshire,
East Sussex, West Sussex, Essex, Gloucestershire, Hereford & Worcester, Lancashire,
Lincolnshire, Kent, Northamptonshire, South Yorkshire and Staffordshire. ALSO available elsewhere but only suitable for short-term use. |
Temporary point-to-point audio links. Simplex Talkback and Communications. Location duplex Talkback - Base Tx (Portable Tx in 467 MHz band). Wide area duplex Talkback - Base Tx. |