Ring Booster - 4 REN On Sale when most of Europe was

when most of Europe was still struggling from WW2

2500 Network

For use with 323 or 337 transmitters

It has been carefully stripped and then given a new textured finish that not only looks fantastic

This is the very same product used by Automatic Electric years ago to factory refurbish their telephones

Ring Booster - 4 REN On Sale when most of Europe wasThe RG 4 ring generator is designed to reshape and increase the ringing power of an existing analog line, PABX extension, FXS port, IP phone system analog port or any other telecom device which provides ringing. The RG 4 duplicates the incoming ring cadence allowing it to be compatible with custom ringing features. The RG 4 is capable of ringing four 1 REN or eight 0. 5 REN telephones and does not affect normal operation of the telephone line or