Answer:
The Chiptronics EL-390 supports all standard types of audio door phones and video door phone intercom stations for automated gate and door release.
The Chiptronics EL-390 electric rim lock is engineered to support all types of audio door phones and video door phone systems. It connects to the release relay or trigger circuit of the intercom monitor or outdoor entry panel, enabling remote electrical unlocking upon authorization from the indoor station.