The General Mobile Radio Service (GMRS) is a licensed radio service that uses channels around 462 MHz and 467 MHz. It was originally established to provide a service for short-distance two-way communications to individuals and families, but it has evolved

Wireless radios have been a cornerstone of communication technology for over a century, evolving from simple spark-gap transmitters to sophisticated digital systems. Here's a basic overview covering various types of wireless communication systems: