The HC-WRT4 long range 4-button RF transmitter is a dual technology device manufactured of a black polycarbonate enclosure with gray ABS keys and includes a red LED indicating a button press. It is based upon proven 433MHz UHF technology with Rolling Code + Encryption transmission security. The integrated proximity tag is based on 125kHz RFID technology same as conventional proximity credentials. There is a single replaceable lithium battery rated for up to 450,000 presses and includes a time-out feature if a button is held down continuously to prevent battery drain. The four buttons can be configured to communicate to the 2 channels on a two HC-WRR42 RF receivers. Physical size is 2.5 x 1.45 x 0.56 inches (57 x 37 x 14 mm).
The integrated 125-kHz proximity tag comes in our Hartmann High-Security 40-bit Weigand format. 26-bit Standard Weigand format as well as other formats are available.