Port configuration 1 x 8 Insertion loss (dB) 10.2/10.5 Loss uniformity (dB) 1.2Polarization dependent loss (dB) 0.25Wavelength dependent loss (dB) 0.3 Temperature dependent loss (-40 to 85) (dB) 0.4Return loss(dB) ≥45 (PC); ≥55 (APC)Operating temperature ¿¿¿40 ~ + 85Directivity (dB) ≥ 55Storage temperature ¿¿¿40 ~ + 85