RJ45 Connectors, Harsh Environment - MJR Series From Amphenol, the MRJ series RJ45 connector provides the ideal connector solution for network data transfer in harsh and demanding environmental conditions. These RJ45 connectors are underwater submersible rather than just water resistant in both mated and unmated conditions. Suitable for industrial, military communications, mobile and other demanding connector situations. All models are highly reliable and excellent quality. Features and Benefits IP67 sealed in mated and unmated conditions Meets military shock and vibration levels Available with optional integrated LEDs Metal diecast connector shell Does not allow RJ11 connector to enter Nickel Finish UL94V-0 Black Housing Gold Contact Plating