BEA 10TD433HH4 433 MHz digital handheld transmitter, 4 button control receivers

The 10TD433HH4 BEA Electrical Accessories BEA transmitters and receivers used together are designed to hold the door open until the transmitter button is released. 433 MHz digital handheld transmitter, 4 button control receivers The 433 MHz series transmitters and receivers are ideal for wireless activation and/or sequencing of automatic doors. These digital, radio-controlled transmitters and receivers are universally compatible with any type of automatic door application.