Weather alert ¿ RS-232 link for PC uploads, downloads (requires cable and software) SPECIFICATIONS: Frequency Coverage: 29-54, 108-174, 179.5-512, 806-956 (excluding cellular) and 1240 - 1300MHz Jacks: Power, RS-232C Antenna connection: BNC Antenna: Detachable Indoor Frequency List: Nationwide trunked listing Dimensions: 2-3/8 x 8-1/16 x 7-7/16"