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Viking K-1900-3 is a door entry dialer for apartments and offices. Compact and designed to be installed safely out of sight, K-1900-3 can store up to 250 telephone numbers and keyless entry codes in non-volatile memory, allowing for simple, secure entry. A single master entry code and five maintenance codes can also be programmed. The controller has two RJ11 (telephone) jacks and a 10-pin screw terminal block for connecting devices.
Use the Viking K-1900-3 with the Viking K-1700-3 or K-1900-8 phones as part of a vandal-resistant door entry system. It can be used with any touch-tone phone for access control, as well. The relay contacts are rated at 5 amps at 30V DC/250V AC. The package comes with a power supply.