- User touch tone programmable - Non-volatile E memory - 12 digit alarm activated pulse dialer - 6 digit security code (to access programming) - 6 digit access code (disable or enable for additioal control security) - Switchable 12V talk battery - Relay interrogation tones - Programmable relay time delays - Cascade up to three RC-3's to control up to nine relays - Programmable ring delay before answering - Status LED's for relays 1 2 3 and the answer relay - One power adaptor can power up to three units
