XM Satellite Radio marine antenna

Item #: 209XMARINE

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3 Reviews

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XM Satellite Radio increases the quality of your boating time with over 170 channels of quality programming. Terk designed the high-performance XMARINE marine antenna to provide crystal-clear XM Radio reception on the water.

The antenna will withstand extreme environmental conditions — its sealed housing is impervious to damage from salt water or bad weather. The antenna installs using the standard marine mounting bracket, and the 25' cable connects to any XM tuner with a single antenna input.

Important Note: You must subscribe to XM Satellite Radio to receive the satellite radio signal. XM satellite radio has an offshore range of at least 100 miles (or more, depending on your location) off the coast of the lower 48 states; service is not available in Alaska or Hawaii.

Product Highlights:

  • marine antenna with water-proof sealed housing
  • mounts to standard marine bracket (1-1/4" thread)
  • designed for use on any power or sail boat
  • 25' cable included
  • dimensions: 3-3/4"H x 1" (maximum diameter)
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research

What's in the box?

Download owner's manual

  • XM Satellite Radio marine antenna with attached 5" coaxial cable
  • 25' Antenna cable
  • Flange adapter
  • Slotted extension adapter
  • Lock washer
  • Hex nut
  • Owner's Manual (English/Spanish)

Product Research


Overview: The Terk XM Marine antenna is a high-performance antenna designed specifically for XM Satellite Radio reception on recreational marine craft such as fishing boats, sport boats, yachts and sailboats. Please note that, in addition to the antenna, you must have an XM Satellite Radio tuner, and a subscription to XM Radio in order to receive satellite radio programming.

Antenna: The XM Marine antenna and base are made of a white polycarbonate. Its rugged, weather-resistant design can withstand a high-vibration, salt-water environment. Antenna specifications include -

  • Frequency: 2332.5 to 2345 MHz
  • Bandwidth: 12.5 MHz
  • Impedance: 50 ohms
  • Gain: 35.5dB, typical
  • Noise Figure: 0.8dB, maximum
  • Polarization: LHCP (Circular)

Cable: The XM Marine antenna is supplied with an attached 5" cable terminated by a gold-plated TNC connector for ease of installation. The XM Marine antenna also come supplied with a 25' extension RG174 coax cable terminated with gold-plated TNC and SMB connector. The SMB connector plugs into your XM Satellite Radio tuner while the TNC connector screws onto the TNC connector of the attached 5" antenna cable.

Mounting: The XM Marine antenna features dual mounting options.

  • Surface Mounting: Through hold mounting for deck mount or mounting on any flat surface using the supplied hardware.
  • Bracket/Mast Mounting: Bracket or mast mounting when used with the supplied threaded flange adapter with the standard 1"-14 marine thread (mounting bracket and mast not included).

Note: If the antenna is mounted to a metal surface, the antenna must protrude at least 5" above the top edge, and must have at least a 20-degree clearance from any metallic obstruction on all sides.

Our Product Research Team

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Terk XMARINE Reviews

Average Customer Review:

3 reviews
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Written By Liz, Charleston, SC on Monday, May 27, 2013

Crutchfield Customer Review (What's this?)

Returned. Have Garmin XM weather/radio GPS and was not comparable with current setup. Currently using Garmin XM antenna for both radio and GPS which will function for both. The Xmarine will only work with radio.


Written By Anonymous, Tampa, FL. on Tuesday, August 17, 2010

Crutchfield Customer Review (What's this?)

After searching for a special application antenna. I discovered that the x-marine would be perfect. I had a unique installation since I already have a vehicle with a hole in the roof, and have been searching for a surface mounted antenna. Also the high db gain of this antenna has give me nothing but perfect signal strength including under heavy tree cover, interstate overpasses, and other areas that the magnetic antennas would drop out. Thanks again for your exellent customer service.....

a great upgrade for your car/truck

Written By anthony, florida on Friday, March 20, 2009

I wanted to give this antenna a try even though its called a marine antenna.... i like the tech. specs of 30 db increase. I installed it on my 2005 xterra. the antenna is the size of a hockey puck and its 2 parts. the bottom base can unscrew from the top antenna area.... wich makes it easy to mount on top of my bin on my rack... i drilled a hole on the plastic bin door and i drilled a hole through my interior light area that goes into the storage bin. I am very impressed with the performance..... in areas where i would loose the signal, i am not loosing signal. I am very please with this antenna and hope that others will take advantage of the marine specs for better signal. the only modification was on my xm receiver i had to use some small plastic cutter to remove the housing for the usual xm car antenna and allow the marine plug to slide into place. Great product. (i painted mine with dupli-color bumper black to blend to my roof rack

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