... training, grassroots engineering staff is particularly suitable for use.CuteOTDR®-SX233 handheld design, compact and lightweight, easy to ... loss informationSimple, fast, without complex training, suitable for field operationEvent dead zone less than 5mAttenuation dead zone ... protective 2.5mm universal connectorLow-power design, suitable for AA-size alkaline batteriesAuto shutdown power saving design ...