The K-1900-3 converts any Touch Tone phone into a multi-number auto dialer that will store up to 250 telephone numbers in non-volatile E2 memory. Use with Viking's K-1700-3 or K-1900-8 phones to provide vandal resistant handsfree or handset communication. When a call initiated by the K-1900-3 is answered by an apartment or business tenant, a built-in contact closure may be activated to control electric gates or door strikes. Up to 250 keyless entry codes can also be programmed, allowing tenants to let themselves in. The K-1900-3 can be programmed locally or remotely using a standard Touch Tone phone and features built-in user dialing restriction to help prevent unauthorized calls and toll fraud. Applications Complete apartment entry system when used with: - K-1700-3 or K-1900-8 - D-Series directories Multi-tenant, gated communities Office parks and multi-business complexes Kiosks, ATMs, catalog sales, and interactive point of sale displays Reservation phones for hotels, airlines, car rentals, etc. Features 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 Programmable tenant relay activation codes and keyless entry codes Programmable master keyless entry code Multi-number dialer mode for Kiosks etc. Ring-thru mode for calling entry phone Programmable call timer Normally open and normally closed (DPDT) relay contacts for controlling door strikes and magnetic locks Auxiliary relay input to trigger a timed relay activation for postal locks, etc. Provides 18V DC to power doorstrikes, magnetic locks, etc. Touch Tone and pulse dialing toll restriction Always allows 911 and 311 outside calls One year warranty Made in the USA Specifications Power: 120V AC/13.8V AC 1.25A, UL listed adapter provided Dimensions: 89mm x 46mm x 132mm (3.5" x 1.8" x 5.2") Shipping Weight: .74 kg (1.65 lbs) Environmental: 0 dg C to 32 dg C (32 dg F to 90 dg F) with 5% to 95% non-condensing humidity Talk Battery Output: 32V DC nominal Door Strike Power Output: 18V DC / 200mA maximum Connections: (2) RJ11 jacks, 10 pin screw terminal block DTMF dialing speed: 120ms on/100ms off Relay contact ratings: 5 Amps @ 30V DC/250V AC