COMAR AS350 AIS / VHF Antenna Splitter
This eliminates the need and cost of installing a separate VHF antenna for AIS equipment.
The AS350 automatically routes signals to ensure reliable operation of both AIS and VHF systems, giving priority to VHF transmissions. Housed in a compact, durable ABS enclosure with carbon-reinforced connector panels, it combines strength with a premium, technical finish while maintaining the performance of connected AIS and VHF radio equipment.
FEATURES
- Suitable for AIS Class B transponders and AIS receivers
- Enables AIS and VHF to share a single antenna installation
- Automatic switching between AIS and VHF transmissions, with VHF priority
- Rugged ABS housing with carbon-reinforced side plates for durability
- Operates on 12 V DC supply
- Quick and easy to install
APPLICATIONS
- Enables AIS operation using an existing VHF antenna
- Reduces cost and complexity by avoiding a second antenna installation
KEY FEATURES
Primary Capabilities
- Antenna Sharing: Runs your VHF radio and AIS transponder off one antenna.
- Voice Priority: Automatically disconnects your AIS when the VHF radio transmits.
- Power Protection: Prevents damage to sensitive AIS circuits during VHF transmissions.
- Fail-Safe Operation: Keeps the VHF radio fully functional even if the splitter loses power.
Technical Performance
- Zero Insertion Loss: Maintains full signal strength for both receiving devices.
- Low Transmission Loss: Keeps signal degradation under 1.0 dB during transmissions.
- Wide Frequency Range: Operates seamlessly across the 156.025 MHz to 162.025 MHz band.
Hardware & Power
- Robust Enclosure: Housed in a durable, marine-grade ABS plastic casing.
- Flexible Power: Accepts standard boat power supplies from 12V to 24V DC.
- Visual Status: Features LED indicator lights for power, VHF transmit, and AIS transmit.






