TP-LINK 10/100Mbps WDM. Connectivity technology: Wired. Dimensions (WxDxH): 94.5 x 73 x 27 mm. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -40 - 70 °C, Operating relative humidity range: 10 - 90 %. LED indicators: Link/Act, PWR, SPD. Certification: FCC, CE