This makes the rescue mission a lot easy to execute. Our fire survival cables have the mitushi ability to extend functionality for circuit and data integrity in extreme fire situations. These cables are made from inorganic materials that do not burn, emit smoke or gas and survive harsh fire explosions. These cables are developed for life-critical situations and are in accordance to fire management systems. Specifications: Grade 1: Remains operation up to up to 30 minutes when subjected to 830 deg. temperature Grade 2: Can last 180 minutes when subjected to 930 deg. C temperature