Power: 12Vdc or 18 to 34Vac/Vdc, @ 30ma RF Frequency: 300 or 310 MHz Accessory Transmitters: TC1, TC2 and TC4 The TriCode® digital receivers are designed for use with automatic garage/gate operators and access control systems. All TriCode® products may be matched with Linear/Delta-3TM, Multi-CodeTM, and StanleyTM radio products which may already be installed. To prevent possible SERIOUS INJURY or DEATH from electrocution: • Be sure power is NOT connected BEFORE installing the receiver. To preven