... 2. Output power:5mw,10mw, 20mw,30mw 3.Long battery life(up to 60 hours) 4.Distance:10km-12km Fiber test ... specially designed for field personnel who need Fiber test pen (5-8,8-12KM) Fiber pen ... Around 110gApplications 1.Maintenance in telecom,CATV 2.Test Lab of optical fibers 3.fiber routing ... networks. 4.Other fiber optic measurements Key Features1. 2.5mm universal connector, for 1.25mm connectors, FC ...