This mobile radio head unit from EF Johnson is a great addition to your communication setup. It has been tested to ensure top-notch performance, and it comes with a range of impressive features that make it a must-have for communication enthusiasts.

With a UHF band and a calling system type, this unit is perfect for use in various settings, including the consumer electronics industry, radio communication, and walkie-talkies. The brand is well known for its quality products, and this model, 242-7640, is no exception. It's a unit type, which means it's highly portable and easy to use.