Low price EPON/GPON Power meter is designed for PON Network construction and maintenance ... 3 wavelengths’ power of PON system synchronously: 1490nm, 1550nm, 1310nmSuitable for all PON network (APON, BPON, GPON, EPON)User-defined Threshold Sets ... display for easy visibilityⅢ. Main functions3 wavelengths’ power of PON system synchronously: 1490nm, 1550nm, 1310nmtest the burst mode signal of ...