TUNNELS &
RAIL CORRIDORS
STATIONS &
PLATFORMS
PUBLIC SAFETY
COMMUNICATIONS
GSM-R & FRMCS
TETRA, P25, DMR,
LTE & 5G
SCALABLE &
FUTURE-READY
Designed for Long Tunnel Environments.
The Avari VL™ Series is engineered to deliver reliable, high-performance coverage in long and complex tunnel environments. With support for extended optical reach and automatic optical delay compensation, Avari ensures consistent RF performance across the entire tunnel length.
​Flexible Fiber Architecture.
Avari’s digital DAS supports flexible fiber topologies, including daisy-chain, ring and hybrid architectures. This enables efficient deployment in tunnels and along rail corridors, reducing fiber infrastructure requirements while maintaining high reliability and coverage performance.
Mission-Critical Rail and Public Safety Coverage.​
​The Avari VL™ Series supports simultaneous multi-band coverage for GSM-R, FRMCS, TETRA, P25, DMR, LTE and 5G, along with dedicated public safety radio systems. This ensures seamless communication for rail operations, maintenance teams and emergency responders.
Built-In Redundancy and Self-Healing
​Avari's fully digital architecture supports redundant communication paths and automatic switchover to help maintain reliable connectivity in the event of a fiber cut or equipment failure.
Centralized Network Management
​Monitor and manage your rail and tunnel communication network from a centralized platform, providing real-time visibility into system performance, alarms and network status.
Public Safety Alarm Integration
Avari's Digital DAS supports integration with public safety alarm and monitoring systems, helping operators maintain visibility into critical communication infrastructure.
VL™ Series Digital DAS for Rail & Tunnels
Avari's VL™ Series delivers scalable, multiband digital DAS solutions for challenging rail and tunnel environments. Its flexible fiber architecture, built-in redundancy and centralized monitoring help maintain reliable mission-critical communications across complex transportation networks.