Handheld Fiber Optical PON Power Meter FTTX/ONT/OLT 1310/1490/1550nm K – Splicer Market
Komshine Pon Optical Power Meter 1310/1490/1550nm For Pon Network Testing Kpn-35 Fiber Optic Power Meter Apc Or Upc Connector - Fiber Optic Equipment - AliExpress