One of the problems with a wired PA (public address) system is that people who are mobile have no way to access it. With a wireless PA system interface device now people on two way radios or wireless intercom base stations can make pages over a wired public address system. The Two Way Radio Wireless PA Interface receives transmissions from two way radios and then broadcasts those transmissions over a wired PA system. Now people can even be outside the building on a campus or property and still Read more [...]

One of the most useful intercom systems available is an outdoor intercom. These intercoms are used at outside entrances to buildings, security gates, or anywhere anyone may need to communicate with a person inside a building or at a remote location. They save people from having to make trips to your entrance door to let people in, and they alert you when customers or visitors are at a locked security gate. Outdoor intercoms are available in both wired and wireless versions. The wired intercoms Read more [...]

You can go to any local building supply store or department store to buy a cheap two way radio, but a professional two way radio will give you much better performance. A professional two way radio is built to what's called "MIL-SPEC" standards. In an effort to achieve standardization objectives for purchases of products used by the military and other government organizations, the U.S. Department of Defense created standards that these products must meet. You will see these standards called military Read more [...]