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800 motorola antenna on a 400 motorola radio?

KI4LIV

Member
Joined
Jun 5, 2005
Messages
324
Location
Melbourne, FL
Ok I hate to even ask this...

Is it safe to run an 800mhz 9cm HT antenna on a 400mhz radio that has a different antenna but is still 9cm long? Same hookup - just different antenna but same length.
 

jonwienke

More Info Coming Soon!
Premium Subscriber
Joined
Jul 18, 2014
Messages
9,721
Location
PA
Use an antenna designed for the band you're using. Physical length doesn't mean a whole lot, an antenna can be much longer electrically than it is physically.
 

N4JEP

Newbie
Joined
Oct 30, 2019
Messages
3
Jon above could not have said it better. Antennas are designed for a "band" or in other words, a frequency range. The physical size doesn't matter so much for that. But the size will effect the "gain" of the antenna - The bigger the better.
 
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