CON-SPACE Communications manuafacturers voice communication products for people who work in hazardous environments. All Products are intrinsically safe approved and designed for harsh environments. Hardline Systems for use in Confined Space Entry, Bomb Disposal are used with Supplied Air Breathing Apparatus and provide hand-free, continuous communication that works where radios don't. Applications include: Tank Cleaning, Hydro/Sand Blasting, Manhole Entry and Rescue. Where portable Radios are needed, the SR65i Radio Accessory makes radio communication easy, even while wearing any type of Face-Mask or in high noise environments. The accessory eliminates garbled messages, shouting through face-masks or fumbling inside Hazmat suits to communicate with radios. Check our website and call 800-546-3405 or email [email protected] us for the name of your local CON-SPACE distributor. We are Nation Wide and World Wide!