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Comet SBB-7NMO Professional Mobile Antenna 2 Meter 70 Cm

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Product Description

The Comet SBB-7 dual band is a 2 meter and 440 MHz mobile antenna. It is a 5/8 wave center load on 2 meters providing 4.5 dB gain and a 3 x 5/8 wave on 440 MHz providing 7.2 dB gain. VSWR 1.5 : 1 or less. This antenna can handle up to 70 watts. The color is black.

This antenna is 55 inches high with fold-over

This antenna uses an NMO mount, not included


Fold-Over Hinge

Most Comet mobile antennas over 29" length have a fold-over hinge built into the base section of the antenna.  It is NOT an automatic fold-over, you must manually lift the element up out of the socket and lay the antenna whip down in order to enter garages, parking structures etc...
It is important that you lift the whip completely up and out of the socket before folding the hinge.
Like any hinge, it will BREAK if it is folded the wrong direction.  The hinge rotates 360 deg inside the socket so it will fold in the direction needed.
Many Chinese and other look-a-like antennas have very annoying problems associated with their fold-over hinges.  The most common is a weak spring.  The antena lifts up and out of the socket all by itself at highway speeds!  The antenna is unusable when it is laying down and most users need to defeat the hinge or constantly adjust the angle to keep it vertical.
And to be honest, Comet had this problem "initially" as well!  The weak spring was almost always a problem with the larger antennas so Comet engineers went to work and re-designed the fold-over.  Our larger antennas now have a threaded collar around the hinge:  Loosen the collar, lift it up, and the hinge is exposed. No more problem.
**WARNING**Many antenna companies have now copied the Comet fold-over design but many have avoided making the improvement to save the cost.

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Product Reviews

  1. Great gain on an affordable antenna 5 Star Review

    Posted by on 3rd Jun 2021

    I love the fold-over feature and the performance of this mobile antenna. Works great on 2m, 440mhz and GMRS.

  2. Great RACES mobile antenna 5 Star Review

    Posted by on 26th Jun 2020

    Good for both bands and simplex/duplex work.

  3. This is a great antenna! 5 Star Review

    Posted by on 20th Sep 2019

    I now have 3 of these on different vehicles and they work great! This is the first time I’ve used the fold-down feature and it’s perfect. I installed it on a quad and I can fild down the antenna when I cover the quad when it’s not being used.

  4. Great Antenna 5 Star Review

    Posted by on 21st Jan 2015

    Love This Antenna great RF I can here station could not before and and hit repeters farther .. Great Service From MTC and Fast Shipping

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