1.wavelength: 1310/1550nm 2.dynamic range:30/28dB, 35/34dB, 40/39dB 3.Pulse width:10--20000ns 4.event dead zoon:<1.5 OTP6123 series is OPWILL’s handheld OTDR test set. It provides comprehensive optical test for metro, access/FTTx, and LAN network. Also OTP6123 is designed for indoor and outdoor test with lightweight, flexible and rugged features. It is the best test set for service providers ...