Not to be confused with CBU-2-FM (88.1) Vancouver, the FM simulcast of AM station CBU (Radio One).CBU-FM is a Canadian radio station, which broadcasts the programming of the CBC Radio 2 network in Vancouver, British Columbia. The station broadcasts at 105.7 FM. CBU's transmitter is located atop Mount Seymour.The station was originally launched in 1947 as an FM simulcast of CBU.