Attenuator features SC/PC(Male to Female) work wave length: 1250-1620nm attenuation value:1dB-10dB,(1dB step) 15,20,25,30dB style:FC/PC SC/PC FC/APC ST/PC SC/APC LC attenuation precision:1-9dB(+_0.5dB) ,10-20dB(+_1.0dB), 20-30dB(+_1.5dB) reflect loss:>50dB(UPC) >65dB(APC) working tep:-25C~+75C tep stabilization:0.3dB/C max power:1W