The Transtector DXR Ethernet Surge Protection Module (1000-1194) is designed to operate in the DXRQuad Box Housing Kit. Click.Transtector DXR Ethernet Surge Protection Module (1000-1194) Specifications:Receptacle: RJ-45 Cat5Standards: UL 497 AMaximum Continuous Operating Voltage: 6 VpeakConnector: RJ-45 Cat5Data Rate: 100 Mb/sOther Features: Avalanche diode technologyWeight (Pounds): 0.2Dimensions (Inches): 3.3 X 3.2 X 0.4