Tplink archer c7 v1 and 5ghz

hi guys
i have an flash an archer c7 v1
the 5ghz port are not active
following modules are installed: kmod-ath , kmod-ath9k and kmod-ath9k-common
mybe any futher driver to install ?

best
meinolf

Unsupported functions: 5GHz

It hasn't ever worked. The most recent activity was to remove the ath10k package from that device to prevent a boot loop as well.