- Page port pre-amp / expander
- Pre-amplifies low level audio to remote… See more

- 70 Volt expander
- Expands a 25/70/100 Volt system without straining the… See more

Valcomft. s V-9927A Multi-Tone Generator Provide ringing tones over paging system and… See more

Background Music Input with Voice Operated Mute Page Override For Special Or… See more

The V-9936A is a Six Line C. O. Audible Ring Unit to… See more

- 1 Zone one-way page control enhanced
- Enhanced: Phantom zone allows paging… See more

- 6 Zone one-way analog page control
- All call
- Background music input,… See more

- Eliminates busy signals on heavily used paging systems and also prevents… See more

- Four door answering device
- For use on up to 4… See more