ELECTRICAL 1.With Cat5e keystone modules used for 19"cabinet , 2.Adopt special IDC,suitable for use 110 type impact tools,180 wire termination,modularization design 3.With FTPand special cable manager. 4.It can be w/o 8Label: clear label to ensure easy to manage MECHANICAL: Next 46.5 dB Attenuation:0.17dB Return loss:28.4 dB Maximum rated electric current:1.5A