Viking RG-4 Ringing Power BoostPower Boost Features: Duplicates incoming ring cadence, allowing it to be compatible with custom ringing features Capable of ringing four 1 REN or eight 0. 5 REN telephones True Sine wave ring signal output Boosts ring to 4 REN Caller ID compatible Easy installation Compatible with distinctive ringing services Will not affect normal line operation Reshapes troublesome square wave ringing Fax and modem compatible Not compatible with pulse dialing Ring

Loss of communication alert

Mounting hardware included

6-digit bypass code for unrestricted access

Drive up to (30) 8 ohm speakers at full power or up to (50) 70 V speakers

(1) RJ11 plug

fast and slow busy

K-1700-3 Features:

Two sets of relay contacts included

It meets ADA requirements for elevator/ emergency telephones

Can be connected directly to the following: C

Viking E-40-WH-EWP Features:

Viking’s Wireless Clock System provides reliable