Handy, Lightweight, Powerful and Tablet-Inspired Design. 7-inch, Outdoor-Enhanced Touchscreen – the Biggest in the Handheld Industry. Dynamic Range of 34/32 dB (1310/1550 nm). Dead zones: EDZ (1m), ADZ (4m). 12-Hours Battery Backup. iOLM-ready: Intelligent & Dynamic application that turns complex OTDR trace analysis into a one-touch task. FTTA Fiber DAS Installations, Short Access & CATV/HFC Network Testing.