An economical and lightweight, self-supporting antenna, to aid in great communications where range is not the most important factor. Maximum Power Input: 50 watts SWR Nominally: Less than 1.5:1 at 156.8 MHz Bandwidth: 5 MHz within 2.0:1 VSWR Frequency: VHF Marine Band Antenna Gain: 6dB Ferrule: Chrome-plated brass with a standard 1"-14 Thread Coax Supplied: 15 ft of RG-58 which can be cut to size Connector Supplied: PL-259 (Not installed) Polarity: Vertical Impedance: 50 Ohms DC Grounded, but reads "open" on ohm meter Suggested mount: 4187 or 5187 Ratchet Mount or use a 409-R or 410-R Mounting Kit plus a 4008 Extension Mast to form a 16ft antenna system (Not Included) Brass and copper elements to maximize range Smooth, durable, high gloss finish One Section