CKDU-FM (88.1 MHz) is a non-profit radio station broadcasting from the campus of Dalhousie University in Halifax, Nova Scotia. It airs a campus radio format serving the Halifax Regional Municipality area and is operated by the not-for-profit CKDU-FM Society. Its mandate is to provide the Halifax area with an alternative to public and private radio broadcasting. The 2,460 watt transmitter reaches the urban core of Halifax and adjacent communities.