Waterproof fiber optic patch cables are designed to fit for outdoor applications. The strong PU jacket and armored structure can resist high temperature and suit to use in harsh environment. What's more, it's IP67 cable connectors have an extremely rugged, protective rubber coating with integral anti-kink strain-relief boot and a rubber-coated, metal, latching cap, attached by a steel lanyard. When mated or capped, the connection is environmentally sealed. It is ideal for using in a variety of applications, including fiber to the antenna (FTTA) and fiber to the home (FTTH).