DFM – Digital FM Exciter

User setup and control is available via the front panel LCD and push-button controller along with remote management via RS232.


The TeleDelta DFM digital FM modulator/ exciter is a professional 1RU rack-mount platform for FM rebroadcast in tunnels, underground environments and In-building FM redistribution systems

Compact in design the DFM can ingest digital audio (AES / EBU) along with analog audio sources. The TeleDelta DFM is a full band FM modulator / exciter offering RF output power adjustment across the complete FM band (87 ~ 108.00Mhz)

Typical Applications
  •  In-Venue FM rebroadcast for MATV / Cable Head-end Networks
  • In-tunnel / Train FM rebroadcast
  • FM Rebroadcast on Public Attractions
Key Features
  • Digital AES / EBU audio inputs
  • Analog and SCA (optional) inputs
  • Low latency DSP based stereo generator with variable 19kHz pilot deviation
  • Adjustable frequency output across FM bands 87~108Mhz
  • Adjustable RF output level
  • Front panel LCD display / control
  • RS232 remote control interface for PC or other compatible device
  • RF power mute can be activated without turning off power supply
Product Resources