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Tunnel Voice FD4
Facilitates Two-Way Voice Communications
Tunnel Voice (also known as FD4) is the VHF member of Tunnel Radio’s family of rail products. Dependable two way communication between dispatch, trains, and maintenance crews will increase your tunnel’s safety and productivity, and Tunnel Voice gives you that dependable communication. Tunnel Voice offers simplex dispatch as well as duplex narrow split operation, all within the AAR 160 MHz radio band. Tunnel Voice is digital narrow band compatible.
Features & Benefits:
- Continuous voice communications — regardless of tunnel length
- Digital Narrow Band Capable (standard)
- All components are designed for the harsh tunnel environment
- Seamless full duplex radio coverage from surface to underground
- No RF dead spots — regardless of tunnel length
- 150 – 170 MHz (includes all AAR channels)
- Dependable communications between dispatch, trains, and maintenance crews
- Extended out-of-tunnel coverage