CB Basics

Noise on Mobile CBs
I. There are 2 sources of noise on mobile CBs:  Vehicle noise (from the engine and various electrical accessories) Atmospheric (background) noise   ...
CB Range
What is the range of a CB radio?   Unfortunately, there is no easy answer to this question.   All Cobra CB radios transmit using the maximum FCC allowab...
CB SWR
WHAT IS SWR?   SWR is short for STANDING WAVE RATIO. It is a measure of how well the antenna is performing. Most problems with the antenna or antenna cabl...
Weather Channel Frequencies
Following are the weather channel frequencies for Cobra products:     Models with 7 weather channels CHANNEL FREQUENCY (MHz) 1 162.400 2 ...
Weather Alert
WHAT IS WEATHER ALERT?   Some Cobra CB radios with weather channels also include a feature called Weather Alert. This is a feature which warns of a weathe...