Omnitron iConverter T1/E1. Fiber optic connector: SC, Connectivity technology: Wired. Maximum transfer distance: 1574803.1" (40000 m), Wavelength: 1310 nm, Fiber mode structure: Single-mode. Product color: Gray, Certification: UL, CE, FCC Class A. Output voltage: 3.3 V, Output current: 0.7 A. Width: 0.85" (21.6 mm), Depth: 4.5" (114.3 mm), Height: 2.8" (71.1 mm)