em-trak B953 class B AIS transponder has high 5W transmission power and SOTDMA 1st priority on the AIS band

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The standard transducer has a plastic hull feedthrough with 26mm free thread

· Recommended pressure: 0

Shakespeare 427-S VHF Antenne 3dB 1,5m p-ring em-trak B953 class B AISShakespeare 427 S Fiberglass VHF Antenna is an ideal VHF antenna for smaller motorboats and workboats. The antenna, which is 1. 5m high, appears with a white fiberglass surface and has a 1"14 thread for standard attachment. Supplied with 6m RG58 VHF cable with PL259 VHF plug. Gain 3dB. (Formerly called RV 120) Specifications Band: VHF Marine Band Antenna Gain: 3dB Max. Input Power: 50 watts SWR: nominally 1. 5: 1 at 156. 8 MHz Bandwidth: 5 MHz within