cb aireal 6db or 4.5db

The more hills and hollows you use a smaller 4.5 db aerial, 6db for undulating country and 9db for flat country.

They each give off a different radiated signal that suits the different terrain.

Have a good one

And don't forget to get a base-plane independent aerial if you want to mount it on your bullbar.

In my opinion - negligible difference.

KK

Have a look in the UHF antennas section at the GME Electrophone site - good explanation there with illustrations.

You'd have to do carefully controlled tests to detect a difference of 1.5dB.

At last some good advice. I have been trying in other like threads to say that there are too many variables to make a difference.Well done guys. Get any one you are happy with. UHF is the wrong band but its the only one we have apart from 27Mhz that we can use freely.

Personally and its just a hunch based on 40 years with comms our family all got the most basic radio and a 9db antenna. Antenna on the left hand side of bullbar away from the drivers sight and on a spring mount. It works for us. If we cannot hear each other then we wait until they come within range. Or don't bother.

I talk to my wife then. Much more interesting than listening to me rubbish on about tyre pressures or what height the GPS shows.

Phil