Multimode OTDRs require a pulse suppressor (dead-zone) box. Description Trek II OTDR Multimode 1300nm With an unbeatable combination of a small pocket-sized form factor, a 2.8" high-resolution color LCD display, and some of the lowest pricing in the industry, Trek II multimode OTDRs are the wise choice for cost-conscious buyers who need to perform basic troubleshooting or restoration tasks on multimode optical fiber networks. All this from OTDRs that really are pocket-sized and fair priced, yet have comparable features and specifications to other OTDRs in their class. Features Features 2.8" color LCD display automatically rotates based on orientation of OTDR (portrait vs. landscape) Live Mode allows users to expand OTDR display onto larger laptop screen Automatically locates events and places them in an internal event table Full horizontal and vertical pan/zoom function User-selectable parameters such as index of refraction test mode, pulse width, and averaging Integrated user help screens SC/UPC connector port USB interface for downloading stored readings Integrated visual fault locator Re-chargeable Lithium Polymer battery 20 hours of normal usage Specifications Optical Specifications Output Wavelength 1300nm Fiber Type Multimode Dynamic Range 29dB Event Dead Zone 2 meters (typical) Attenuation Dead Zone 5 meters (typical) Maximum Data Points 64000 Data Point Spacing 1 meter Pulse Width 1, 2, 5, 10, 20, 50, 100 meters Index of Refraction 1.4000 to 1.6000 Distance Accuracy 1 + (distance in meters/10000) Distance Range4 20 kilometers / 12 miles Number of Stored Traces Maximum trace distance: up to 400 // Minimum trace distance: 3000+ General Specifications Display Type High-resolution Color LCD Display Size 2.8" diagonal Battery Type Lithium Polymer Battery Life up to 20 hours normal usage Dimensions 2.87" x 4.42" x 1.25" Weight 10 ounces (284 g) Visual Fault Locator Specifications Output Wavelength 650nm Output Power 1 mW Operating Mode CW / Flash What's In The Box What's In The Box Qty 1 - Trek II OTDR Multimode 1300nm