The History of Motorola
No other company is more synonymous with two-way radio than Motorola. When people think of radio, they think Motorola. Whenever a movie or television show features a scene that involves police, fire, search & rescue or other first responders, it seems like a...
Adjacent Channel Interference
INTRODUCTION Like any other technology, the history of radio is one that developed over time. Radios started off being spark gap transmitters which contained radio energy over a wide range of frequencies. Eventually a range of frequencies became referred...
Family Radio (Walkie Talkie) Communications
A discussion of radio communications equipment for personal and family use
Exclusive vs. Shared Channels
The issue of exclusive channels is the most critical item in the design and implementation of advanced radio systems. From a legal standpoint, all trunking formats in use today (except for SmartTrunk and Capacity Plus) requires the use of exclusive frequencies to...