Omnitron iConverter T1/E1. Fiber optic connector: ST, SC, LC, MT-RJ. Connectivity technology: Wired. Weight: 226 g, Dimensions (WxDxH): 21.5 x 114 x 71 mm. Operating temperature range (T-T): 0 - 50 °C, Storage temperature range (T-T): -40 - 80 °C, Operating relative humidity range: 5 - 95 %. Certification: UL, CE, FCC Class A