Kntech's waterproof industrial telephone, lift to talk phone has been install at Thailand Blue line, Red line, Green line Metro. It

Kntech's Weather proof industrial telephone has been install at St Petersburg metro. It

Kntech's emergency telephone will be install at Turkey Sivas Metro. It

Kntech's heavy duty telephone has been install at United Kingdom Underground. It

Xiamen Metro Line 1

The emergency intercom system was installed in the Israel's metro, through the emergency telephones, the workers and passenger can call control room, the master station can select to make a two way audio call or an one way announcement to any locations.