Cobra 148 GTL 120-Channels Base CB Radio "29 ltd receives doesnt" Questions

I receive well but it just doesnt reach out since my co driver played with the settings make sure your mic gain anf rf gain is all the way to the right

bought a new cb and installed it in a semi truck I recently purchased with twin antennas and doesnt seem to receive or transmit very well you have to upgrade your antena to higher frequency basicaly a

...29 ltd that wont transmit but it will recieve. is this an easy fix or is it best to trash them because of the repair cost? ( antron 99 antenna ) make sure the mic is good. If for some reason the mic ...

...29 LTD classic LCD channel display replace I`ve got a new cobra 29 LTD classic, I would really like to replace both the lcd channel display, and the meter light to a different color. Have quite a bit ...

used to receive and put out up to 7 or 8 miles now only half mile range and squelch made all kinds of noise now doesnt make any what has happened This could be atmospheric, meaning it may have nothing