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.
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.
As they look for ways to modernize information and communications technology (ICT) infrastructures, many governments have upgraded or are considering upgrading their legacy circuit based networks to packet-based technology, such as Internet Protocol/Multi-Protocol Label Switching (IP/MPLS)