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BBC Radio Cambridgeshire is the BBC's local radio station serving the county of Cambridgeshire. It broadcasts on FM, DAB, digital TV and via BBC Sounds from studios at the Cambridge Business Park on Cowley Road in Cambridge. According to RAJAR, the station has a weekly audience of 67,000 listeners and a 3.4% share as of December 2023.

The Peterborough studio opened in a single office in Broadway Court, rented from Peterborough Development Corporation, the body responsible for the city's expansion as a New Town. The broadcasting equipment was two Studer tape recorders, a four channel mixer and two microphones, which were placed on a table surrounded by mobile sound baffles. Ian Cameron, the first Peterborough based presenter, realised at the last moment that the wall behind the temporary studio abutted the office block's lavatories and asked the staff in Cambridge to listen while he flushed the cistern. Nothing could be heard and the broadcast went ahead without fear of others in the office block inadvertently disturbing it. In 1983, Peterborough was equipped with its own studio, using a 12 channel Audix mixing desk made in the county and two Studer B67 tape machines, with a third machine for editing in a neighbouring office. That office later become a studio as well, although it could go on the air only from the main studio alongside. The first complete programme from Peterborough was presented by Julia Booth (formerly of BBC Radio London) while the studio's opening party was going on on the floor below. In 1987, the studio gained the ability to broadcast localised opt outs. At first, the opt out was used only for traffic information in the morning news programme and, later in the day, for five minute spots of purely local information. The first full opt out programme from Peterborough was presented by Les Woodland in the afternoon while John Richards broadcast from Cambridge. Steve Somers presented the BBC Radio Peterborough daily Breakfast show. Production assistant for the opt in station was Darren Deans. The next programme to opt out was Sounds Eastern, two hours of music and commentary aimed at Peterborough's Indian, Pakistani, Sikh and Bengali population and presented by Ansar Ali. The Peterborough Breakfast show opt out was abandoned in 2012 due to BBC cutbacks, and presenter Paul Stainton took over presenting duties of the countywide breakfast show, then the mid morning show following Andy Harper's retirement in 2014, before leaving the station in September 2017. The Peterborough studio has now closed after not being used for a couple of years.

The station's first outside broadcasts were of results from local elections held soon after the station went on the air. The station's radio car was used from the back doors of the town hall in Peterborough. The reporter was Ian Cameron. The first complete programme broadcast away from the studio was the same year, from the East of England Show in Peterborough, presented by Anne Bristow.

Radio Cambridgeshire, when it opened, had satellite studios in Huntingdon, Ely and Wisbech, using offices in council buildings. The studios were equipped with a microphone and a small mixing desk and were used to save contributors a journey to Cambridge or to Peterborough.

The first station badge or symbol was a design suggesting Cambridgeshire's three main rivers, the Nene, the Ouse and the Cam. Before the station came on the air, the manager, Hal Bethell, arranged with the Pye radio company, which had long been associated with Cambridge, to use a design based on the sun through clouds design which Pye previously cut into the loudspeaker screens of its original radios. The sun and clouds symbol remained until a BBC ruling that all its stations should have a joint logo to underline the national nature of the local service.

BBC Radio Cambridgeshire broadcasts on two FM frequencies, on 95.7 FM from the Peterborough mast with a Cambridge relay on 96.0 FM. On 30 October 2004, a fire broke out (thought to be arson) 80 ft up the main Peterborough mast, one mile west of Morborne, and the heat caused the whole mast to collapse. A shorter BT Group plc tower with microwave transmission dishes next to it was undamaged. The 95.7 FM signal was put out of action for a few weeks. The DAB signals come from two multiplexes in Cambridgeshire. As of 30 November 2002, the NOW Digital Peterborough 12D multiplex has come from Peterborough (main signal), plus Hinchingbrooke Hospital (Huntingdon). A planned DAB transmitter for Stamford (in south Lincolnshire) was not launched for this multiplex for some years. NOW Peterborough covers Peterborough, Huntingdon, Stamford and Spalding. Since 30 September 2004, the NOW Digital Cambridge 11C multiplex has come from Madingley. BBC Asian Network is transmitted for Peterborough and North Cambs on 1449 kHz from the Gunthorpe, Peterborough mast. This was originally BBC Radio Cambridgeshire's AM frequency for Peterborough. The station also broadcasts on Freeview TV channel 722 in the BBC East region and streams online via BBC Sounds. On 10 May 2021, BBC Radio Cambridgeshire ceased broadcasting on medium wave.

Local programming is produced and broadcast from the BBC's Cambridge studios from 6 am to 2 pm on weekdays with all other programming since 2023, apart from sports coverage, being regional or national. During the station's downtime, BBC Radio Cambridgeshire simulcasts overnight programming from BBC Radio 5 Live.