R700 not connecting with 256 QAM speeds (MCS 8, 9)
My standalone R700 will not use MCS 8 or 9 for any clients connected over the 5GHz 80Mhz AC-band. Even when the client is very close to the AP with direct line of sight, the MCS index stays at 7 with a reported Tx rate of 878Mbps. How can I get it t...