White space: New technology to help rural wi-fi notspots
29 March 2012 Last updated at 06:53 BST
The Isle of Bute on the west coast of Scotland is hosting a pilot scheme that could bring broadband internet connections to the country's remotest areas.
White space technology could help to reach the 10% of the UK population that is not served by the market, and lies outside the reach of fibre optic cabling.
White space uses the spare spectrum in the UHF band, no longer needed for television broadcasts following the digital switchover.
Rory Cellan-Jones went to the Isle of Bute to find out more.