Viking Electronics VK-K-1900-3 Viking 150 Number Apartment Di

- Compatible with Viking's vandal resistant K-1700-3, K-1900-8, or any Touch Tone phone
- Non-volatile E2 memory (no batteries required)
- Remotely or locally programmable
- Stores 250 tenant Touch Tone phone numbers and keyless entry codes
- Programmable tenant's relay activation code
- Programmable master keyless entry code and five maintenance codes
- Programmable call timer
- Multi-number dialer mode (for Kiosks, etc.)
- Ring-thru mode for calling the entry phone
- Normally open and normally closed (DPDT) relay contacts for controlling door strikes, magnetic locks, gates, etc.
- Auxiliary relay input to trigger a timed relay activation for postal locks, etc.
- Touch Tone and pulse dialing toll restriction
- Programmable allow/restrict for 911 and 311 outside calls
- Log bus data output for logging entry events