gaotek asked: GAO Tek Releases New Optical Device: Handheld OTDR (GAO 3620)Toronto, Canada - GAO Tek Inc. announces the release of optical device, handheld optical time domain reflectometer (OTDR). It is widely used in loss characteristics analysis and fault point searching in fiber optic manufacture, installation and maintenance.This portable OTDR can display the length, attenuation coefficient, connection point, fault point and loss distribution curves of the fiber, as well as, loss between two points, splice loss, and return loss. The easy-to-use and multi-functional device is designed to be durable even for outdoor operations. Further, GAO’s handheld OTDR is compatible with CATV, ISP and Telecommunications Fiber Networks.Handheld OTDR (GAO3620) provides the following features:1.       Portable design, convenient for outdoor testing2.       Simple operation menu and user friendly3.       Supports two markers combined4.       Supports zooming in and out for [+]