Walkie Talkie Basics

FRS Batteries
Enclosed are your FRS radio(s).  The malfunction was caused by low batteries.  After new batteries were installed, no malfunctions were observed.   Often ...
Call Compatibility
Cobra has used 2 different methods to provide a call function for 2-way radios:   ANALOG: The vast majority of FRS and GMRS radios use an analog call sign...
Range of FRS Radios
Numerous factors affect the range of FRS radios.   Following is a description of these factors.     Range is specified as up to 2 miles, which will occu...
VOX Operating Hints
For reliable operation, please try the following recommendations:   Keep the microphone close to your mouth.  The closer the better. Start with the VOX ...
Fuse Size
Based upon inspection of your radio, we have determined that a fuse larger than the recommended size was used.  Using a larger fuse can cause severe interna...