The CommScope Systimax MPS100E PowerSUM M Series Modular Jack is a gray-colored RJ45 Cat5e jack designed for networking applications. This unit, measuring 0.8 inches in length and 1.2 inches in height, features a modular design and is compatible with the PowerSUM model. Manufactured by CommScope in the United States, this jack includes an RJ45 port female connector on one side and a Cat 5e connector on the other, making it a versatile and reliable option for connecting various networking devices.