Si-Tex Metadata AIS Zero Loss Antenna Splitter. 5"X3.9"X1.9") module that is IPx7 Waterproof rated for flexible location and rugged performance in any marine environment. The Metadata AIS Zero Loss Antenna Splitter allows for the full use of VHF communications and AIS send/receive with a single antenna. This sophisticated antenna splitter was developed specifically for use with Class B AIS transceivers providing optimum AIS and VHF radio performance in all situations. Sophisticated electronics packed into this rugged waterproof splitter ensure no loss to the received signal maintaining existing VHF reception range and performance. Built-in safety features such as Clear Call Routing (CCR) ensure VHF radio emergency call priority - and continued full-performance operation even if the power input should fail. The Metadata AIS Zero Loss Antenna Splitter is designed for easy integration with marine electronics and can also be utilized for clear FM broadcast reception. Features of Si-Tex Metadata AIS Zero Loss Antenna Splitter: 12 to 24V DC Power consumption: 150mA at12VDC