Low price EPON/GPON Power meter is designed for PON Network construction and maintenance Ⅰ. ... synchronously: 1490nm, 1550nm, 1310nmSuitable for all PON network (APON, BPON, GPON, EPON)User-defined Threshold Sets Supply 3 groups of threshold ... -25~70°CDimension (mm) 200*90*43Weight (g) About 330 GPON Power Meter