I see that there are now spiral-coiled Cat5e Ethernet cables, but have yet to see a spiral-coiled Cat6 or Cat7 cable. Is this because Cat6 and Cat7 cables have a divider inside the jacket that separates each of the 4 pairs? I imagine that the removal of the divider would increase cross-talk and reduce shielding, but am curious if anyone can estimate the actual signal loss that removing the divider would cause. Also, do flat Cat7 cables have 3 dividers between the 4 pairs? Cat5e vs. Cat6 diagram

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