Project · Rail Tunnel
Castle Rock–Kulem Rail TunnelConnecting 16 Tunnels
South Western Railway
Innovatrix delivered a tunnel radio system covering 16 tunnels across the 26 km rail section, supporting VHF, Loco-Trol, LTE-R and GSM-R communication.

26 km
Section Length
16
Number of Tunnels
Single Tube
Tunnel Configuration
VHF · LTE-R · GSM-R
Communication Bands
Project Overview
One of the oldest rail tunnels
- Its one of the oldest rail tunnels
- Total section is 26 kms
- Number of tunnels — 16
- The tunnel comprises of single tube

The Challenge
Maintaining reliable communication in terrain where conventional signal penetration is impossible.
Mountain Terrain
The tunnel is positioned within the mountain terrain, making signal penetration impossible.
Thick Forest Area
Thick forest area.
Rough Weather
Rough weather.
Tough Terrain
Tough terrain.
Our Solution
Reliable communication where conventional coverage cannot reach.
VHF
Loco-Trol
LTE-R
GSM-R
- Survey
- Design
- Supply
- Installation
- Testing & Commissioning
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