A customer contacted us looking for a wireless intercom to connect between a downstairs and an upstairs room addition. They had a 3-channel intercom that communicated over the house wiring using FM frequencies. It used to worked fine except the few times when they plugged in a laptop nearby to charge. Then they got...
In some military applications, radios normally require a frequency clearance via a DD 1494, APPLICATION FOR EQUIPMENT FREQUENCY ALLOCATION before they can be used. If submitted, the DD 1494 will be rejected because the MURS frequencies are not allocated for federal usage.
A wireless security gate intercom provides long range, 2-way voice communication to a two-way radio or wireless intercom. They can be used to open gates or doors from remote locations, which means monitoring personnel do not have to be confined to a desk. These intercoms are also called "wireless call boxes" and are essentially long-range two-way radios in a water and vandal resistant case with some added features. There are no air-time or telephone service fees with these systems.
One of the most common questions people ask when they are in the market for a two-way radio or wireless intercom is how far do they communicate? Unfortunately asking this question is along the lines of asking, "How far is up?". There are lots of variables involved and no easy, definitive answer. A brief lesson on radio signal transmission is required to understand the whole range issue.
Somewhere in your life you’ve likely seen an emergency call box. The most common place for them is along a busy highway in a big
A Wireless Emergency Notification System can be used to satisfy OSHA requirements for an emergency evacuation system or employee alarm system. Normally installing an emergency
Advances in wireless technology, combined with the increasing demand for reliable communication and property security systems, have led to a significant rise in the variety
Three decades of designing and manufacturing reliable, professional wireless communications products has led to what we believe is the best mobile two-way radioon the market
OSHA’s Environmental Health & Safety requirements can be extremely costly to implement, but there are ways to save thousands of dollars on at least parts
Many retail stores and businesses cannot afford to have a full-time person manning the front door to greet customers. Business owners and employees could be