Handheld OTDR. With 3.5 inch color LCD and multi functions including
Optiacl laser source , optical power meter, VFL, fiber link map and RJ45 cable test. FHO1000 has two version,
FHO1000-D22: up to 75km test distance and FHO1000-D28: up to 100km test distance. In addition,
FHO1000-D28 equipped with bluetooth funciton which support OTDR remote control on the mobile phone APP.