An electronic motion detector contains an optical, microwave, or acoustic sensor, and in many cases a transmitter for illumination. However, a passive sensor only senses a signal emitted by the moving object itself.
BFBS TV. BFBS Television broadcasts the best of UK television round the clock to Germany, Cyprus, Turkey, the Middle East and bases in Canada, the Balkans, Belize, Ascension and the Falklands. Fifteen 24-hour channels broadcast via satellite to personnel in 17 countries, with Navy TV being broadcast to HM Ships.FBS Radio. BFBS Radio has three networks broadcasting pop and speech radio 24 hours a day, combining the best of local radio from eight overseas locations with a service relayed from the UK to places around the world wherever significant numbers of Service personnel are based.
How to Listen. BFBS offers three main radio services: BFBS Radio for upbeat music-based programming and news, BFBS Radio 2 for music, sport and speech including the best of the BBC, and BFBS Gurkha Radio for Nepali language programmes. 1  BFBS Radio can be heard across the UK on DAB radio, overseas on FM, and online. BFBS Radio 2 broadcasts on FM in Forces locations overseas â the frequencies are listed below. 2  You can hear a selection of BFBS Radio 2 programmes online (but licensing restrictions mean we do not simulcast BBC programmes on the web).