Specification:ParameterUnitChannelNumberCH488(+E1)8(+E2)CentralW***elengthnm1270,1290…1610or1271,1291…1611PassbandChannelsMin.nm+/-6.5UpgradeportMin.1310+/-501260~1457IsolationMuxAdjacentChannelMin.dB30Non-adjacentChannelMin.40Upgradeport15DemuxAdjacentChannelMin.30Non-adjacentChannelMin.40Upgradeport15InsertionLossChannelsMax.dB1.01.51.61.8UpgradeportMax.1.21.2RippleinPassbandMax.dB0.3DirectivityMindB50PolarizationDependentLossMaxdB0.15PolarizationModeDispersionMaxps0.10(GD)ReturnLossMindB45FiberTypeCorning***F-28e+with900mmloosetubeFiberLengthm1.0+/-0.1PowerHandlingMaxmW500OperatingTemperature℃-10~70StorageTemperature℃-40~85PackageDimensionmm53.8*28.0*8.0or44*25*654*32.0*7.4)