Filters allow multiple signals to appear on one antenna. With proper filtering, an antenna can transmit and receive signals simultaneously and provide better performance. This paper is an introduction to filtering as it applies to the transmission and reception of radio signals.
Download now to learn more about basic types of filters commonly used, as well as what they do and why they are used.
One of the hottest topics in the Land Mobile Radio (LMR) industry today is the use of private Long Term Evolution (LTE). Although there is a plethora of information available regarding LTE and how it will affect the LMR industry, many questions remain unanswered.
The Department of Homeland Security warned that cyber attacks against law enforcement, fire departments and other emergency services are likely to increase in frequency. As public-safety networks become more interconnected and dependent on information technology, their vulnerability to attack increases.