Product:GPON GEPON ONT ONU OLT Equipment PON port:8 Working wavelength:1550+ -10nm Application:FTTB FTTP FTTH access solutions Hight:2U RF frequency range::54MHz~870MHz Output reflection loss::>14dB Warranty:1~3 year Standard:IEEE802.3ah(EPON) Optical Reflection Loss::>45dB