Antenna Splitters

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Milltech Marine News

January 2012 - NEW!
Come see our presentations at the Seattle Boat Show!

This year we are doing three presentations at the Seattle Boat Show - one on DSC (Jan 27 - 5pm) and two on AIS (Feb 1&3 - 5pm). Click here for more information.

12/9/10
Comar CSA-300 Class A AIS -- $2499!
Just approved by the USCG and FCC, the Comar CSA-300 is now shipping. For vessels needing Class A AIS, this new product combines the latest features, small size and a great price.

8/20/10
AMEC CAMINO-101 Class B AIS -- $495!
Just approved by the USCG and FCC, the AMEC CAMINO-101 Class B AIS Transponder sets a new standard for quality, performance and price. (Includes GPS antenna!)

8/16/10
Comar AIS-2-2000 NMEA 2000 AIS Receiver
The Comar AIS-2-2000 is a high-value, high-performance, dual-channel AIS receiver that is stunningly quick and easy to install in NMEA 2000 networks.

Comar AIS-MULTI and AMEC CYPHO-101 win Practical Boat Owner "Best Buy" award!
PBO has long been our favorite British sailing magazine. Now we have even more reason to like it as the January issue's "Gear Test" recognizes our two favorite AIS receivers!

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If placed by 11:00AM PST, Monday through Friday, most orders ship same-day (Excluding domestic Class B AIS which must be programmed before shipping).

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Home > Antenna Splitters

Antenna Splitters

AIS VHF Antenna Splitters allow you to share your existing VHF antenna with your AIS receiver or transponder and your VHF radio.

Antenna splitters simplify installation and reduce cable runs. Signal loss is minimal (<3dB) and is far outweighed by the advantages of an antenna optimally located at the highest point available (sailboat masthead, power yacht cabin top or arch). NOTE: Splitters designed for use with AIS receivers (e.g. Comar ASR 100 and the Smart Radio splitter) will not work with AIS transponders.

QUICK TIP: Have a single-masted sailboat? Consider a splitter (especially if you're a racer). At less than 3dB, splitter signal loss is typically not enough to cause a noticeable reduction in VHF radio range while the AIS range gained from the masthead position can be appreciable. Cost will be about equal to a second antenna mounted on a rail plus there will be savings in weight (and no cable-running headaches!)

Quick Tip QUICK TIP: Have a power boat without space for an additional VHF antenna on cabin top or arch? A splitter will help reduce antenna clutter. Placing your AIS antenna too close to another antenna (even if the other antenna is not active) can greatly reduce AIS reception. This makes a splitter a good choice when space is at a premium.