... 10-55hz,0.75mm single amplitude,30min each direction Drop test Drop highth:1m,fiber longth:1m,drop time:5 ... .Our company mainly specializes in developing and manufacturing optical fiber(patch cord) optic communication equipment,optic cable ,electric cable ,adaptor,attenuator, ... Cisco, 3COM, H3C, HP, Extreme, Juniper, Ruijie, Zyxel, Huawei and other Optical Equipment.we are 7 years' factory and 3 years ...