CAT6A F/UTP ETL CMP,CMR ,1000FT/DRUM, Category 6A performs at improved specifications,particularly in the area of alien crosstalk. THE Cable make use of their higher standards by allowing full 10GBASE-T transmission speeds of up to 10Gbps, at 550 MHz of signal bandwidth. the internal separator optimizes each pair for superior electrical perfomance and maintains flexibility .this unique spline stabilizes each pair to create a smaller,round cable profile .every drum cable can passed FLUKE LINK TEST.