CATV
4 in 1 OTDR
Ultra-short event dead zone with less than 1 m Integrated 5.8 -inch color TFT LCD display Button / touch dual operation; Dynamic range 32/30 dB built-in stable light source function 1310/1550nm; has multi-wavelength synchronous test function built-in optical power meter test function; Built-in visible red light fault location (VFL) Built-in optical loss test light eye (MAP view) fault locator
