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Comet SBB-224 Tri-band 2M/220/440

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Product Description

Comet SBB-224 Tri-band 2M/220/440

Tri-Band 2M/220/440 mobile antenna

Keep in mind the SBB-224 and SBB-224NMO  are a 1/4 wave on the 2M band.  A 1/4 wave is only half an antenna, the other half is the ground plane underneath it.  Installing a 1/4 wave on 10 different vehicles will create 10 different SWR results.
The SWR on a single band antenna can be adjusted by adjusting the length of the antenna to compensate for the difference in impedance provided at each mounting location.  Not so with dualband or triband antennas, the power feeding coil is pre-set at the factory.

If the SWR is elevated, adjust the antenna location until you find the the best SWR.

Gain & Wave:

2M:     2.15dBi  1/4 wave
220MHz   3.5dBi 5/8 wave
440MHz   6.0dBi 5/8 wave x 2
VSWR: 1.5:1 or less
Max Power: 100 watts
Length: 36″
SBB-224   PL-259

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