Automatic Ringdown Intercom set
WITH TWO PHONES.
Pick up handset and other phone rings.
Choice of four phone colors.
FREE SHIPPING in the USA.

When either phone goes off-hook, the other phone rings. Ringdown module provides dial tone and ring-back tone to the calling phone. Phones connect to standard RJ11 modular jacks.

Useful for entry doors, guard shacks, warehouses, parking lots, airfields, resorts, campsites, lifeguard towers, etc.

You can have up to 2.6 miles of 24g wire between phone and box.

Phones are guaranteed for seven years. Ringdown module is guaranteed for one year. "DIP" switches and internal jumpers provide various options, such as ring cadence, one-way calling, 5-ring limit, no dial tone, volume boost.

Specify phone colors (red, black, ash) and desk or wall in COMMENTS section of order form. (White no-dial phone is no longer available.)

Many options are available, such as armored cords, ring indicator lights, emergency labeling, etc. Ask us.

Power line surge protector is strongly recommended.

If one phone is located outside your main building, we recommend the combined power and phone line surge protector.