J&R Weatherproof Tunnel Telephone Installation in Turkey Tunnel Project

Thousands of J&R weatherproof Tunnel phones deliveied to Turkey for Ankara,Cherkes Tunnel;Kastamonu, Amasra,T1,T2 tunnels;Kahramanmaras, Göksun tunnel; Hakkari,Cukurca ,Saritas,Artvin ,Yusufeli tunnels;Trabzon , Akyazı tunnels; Rize ,İkizdere tunnels...
For any railway/metro/highway/tunnel telecommunication system application,welcome to visit www.jrtelephone.com