Superheterodyne receiver with ASK demodulation, rolling code, with 12/24 Vac / dc power supply, 2x24 VA relay and 26, 30 and 44 bit wiegand output and RS485 with ModBUS and ASCII protocol. The transmitter can be memorized with 4 buttons on the receiver or remotely, using only the buttons on the transmitter, also by making a sequence of 3 button presses. The setting of the remaining receiver parameters can only be made with 4 buttons on the receiver. All setting steps are displayed on a backlit LCD display. The internal data of the base can be protected by a 5-digit password and can be saved / restored on / from an external memory. The memory allows you to store up to 4000 transmitters.