... multilayer circuit ensure data transmission stability, long working lifetimeSpecification: Ethernet port: Connector: one RJ45 (female)Rate: 10M, 100M, 1000M ... auto-negotiationFull/half-duplex auto-adaptive, MDI/MDI-XOptical port: Connector: ST/SC/FC optionalWavelength: 850nm for multi-mode1 ... ,310nm or 1,550nm for single-modeWorking temperature: 0 to 65°Storage temperature: -40 to 70°Humidity: ...