TB-620 TB-620 OTDR TB-620 TB-620
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TB-620 OTDR is an entry level handheld, portable OTDR with a 3.2inch color LCD mainly used in CATV networks to help technicians measure the fiber length and attenuation loss. 

Dual wavelength capability: TB-620 OTDR is available in Single mode, two wavelength options of 1310/1550 nm and is provided with a very capable user friendly OTDR simulation software which shows details of events.

TB-620 OTDR is an ultra-economy OTDR with built in Optical Power Meter with Range C: +26~-50dBm for cable tv users and Visual fault locator 1mW as standard feature.

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