BEA 10TD433PB3V 433MHz digital flag transmitter, jamb and vestibule plates only, 3V battery

10TD433PB3V BEA Electrical Accessories BEA transmitters and receivers used together are designed to hold the door open until the transmitter button is released. 433MHz digital flag transmitter, jamb and vestibule plates only, 3V battery The 433 MHz series transmitters and receiver 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.