The TE800 from Shenzhen Teco Optic Co., Ltd. is a Optical Time Domain Reflectometer (OTDR) with Event Dead Zone <2 m, Optical Wavelength 850 to 1625 nm, Dynamic Range 36 to 38 dB, Pulse Width 10 to 1024 ns, Distance Range 4 to 256 km. More details for TE800 can be seen below.
