By DHL Handheld TM290 Smart Handy OTDR 1310/1550nm with Integrated VFL/OPM/OLS/OTDR Optical Time Domain Reflectometer
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Specification
Brand Name: OFENG-SECURITY Connector Type: FC/UPC Fiber Type: Single Mode Size: 25*14*5 Model Number: TM290 Model number: TM290 OTDR Optical Time Domain Reflectometer Centre wavelength: 1310nm/1550nm Menu: English Dynamic Range: 22/20dB Optical Power Meter: -70~+10dbm or -50~+26dbm Test distance: 60km Interface: USB VFL: 10mWCW/2Hz