DTMF
Dual Tone Modular Frequency (DTMF) Decoder
- Solid states circuitry permits full compatibility with digital and analog devices
- Audio input isolated by on-board transformer
- Programmable mechanical relays control up to 8 loads (momentary or latched)
- Control sequences can accommodate from 2 to 14 digits
- LED indications of DTMF mode and output functions
- Extremely low power consumption
- Phoenix-type enclosure provides DIN rail mounting (compatible with Global Rail Systems’ audio modules and track circuit components)
- Unit is virtually maintenance-free
GLOBAL RAIL KEEPS YOU MOVING SAFELY
![]()
Global Rail Systems Inc.
P.O. Box 110, 503 FM 147, Marlin, Texas 76661
Call toll free: 866-883-2213 --- Fax: 254-883-2201



