BEA Inc 10TD900HH4 | Digital Handheld Transmitter, 12 to 24 VAC, 2-3/4 in. Height, 1-19/50 in. Width

BEA's 900MHz family compact transmitters and receiver allow wireless activation of any door control. FCC Part 15 certification ensures proper compliance with federal radio frequency regulations. 900MHz wireless technology provides greater line of-sight transmission distance than legacy wireless frequencies. It also provides better penetration of obstacles such as walls, partitions, doors or low emissivity glass.