Automobile antenna with a magnetic base HAD8437 is designed for use with mobile radios of DM1000, DM2000, DM3000, DM4000/ DM4000E series. Physical characteristics: Mounting type: Magnetic base, Connector: BNC, Cable length: 3.5 m. Operational characteristics: Frequency band: VHF, Band width: 146 - 174 MHz, Gain value: 0 (1/4) dB