Terk XM4-CLIP Truck/RV XM Satellite Radio Antenna Review

I bought this antenna for use on my Kenworth T600 truck. The smaller antenna that comes with the car accessories kept falling off the truck even if I used velcro and tape. The smaller antenna also does not have a long enough cable to reach some of the higher locations on a big rig truck.

The Terk XM Antenna works well because it comes with two different types of mounting options. (1) You can use the mirror mount to attach it to any round tubular type mirror arm. My Kenworth does not have the tubular mirror arms, but the application still works by using a longer nut/bolt combination available from your local hardware store. (2) Your second option is to use the pressure mount hardware to attach the antenna to any other edge on the truck or RV. It is perfect for mounting the antenna to the top back area of the air dam or to the side back fairings if you don't have an air dam.

My only small complaint and reason for 4 stars instead of 5...

...There doesn't seem to be enough cable (even with the longer one that comes with this model over the normal ones) if you plan to attach it to the back of your truck, such as up on the air dam. You almost need to mount it in this location to get it away from your CB antennas. I first tried mounting it on the mirror arms, but I found many drop-outs on any eastward heading routes since the XM antenna was not high enough on the truck. Supposedly the CB antennas can interfere with the XM antenna if they are mounted too close, which leaves the top of the truck (on the air dam) as the highest location away from the CB antennas. If you are willing to drill a hole in the sleeper or cab then there is plenty of cable to run it inside your truck, hide it behind interior walls, and have it run up and out of your dash area to the XM radio. But without drilling a hole, you have to run it down the back of the sleeper, under the cab and up through any rubber pass-through you can find. By that point you've wasted most or all of the cable length, which limits where you can position the radio.

All in all, great antenna with better overall reception than the run-of-mill XM antennas.

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Product Description:
The low-profile, high-performance Terk XM4-CLIP antenna maximizes yoursatellite radio reception when installed on a truck or RV, giving you digital satellitesound wherever you roam. The antenna, which meets all of XM's specifications formobile antennas, is roughly 10 inches tall (including the base)--a small enough size formost applications. Users also have their choice of mounting methods: a mirror clamp thatinstalls on the driver or passenger side mirror and a U-bracket that mounts on yourtruck's air dam shield, flap, or any other flat surface. Outfitted with a 21-foot coaxialcable and a full set of mounting hardware, the Terk antenna is backed by a one-yearwarranty.
What's in the Box
XM antenna, mirror mount clamps, U-bracket assembly, air dam shield clamp, 21-footcoaxial cable, mounting hardware, user's manual.

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