Link speed is only 72mbps i have tested in several devices link speed from rpi4 is 72mbps from other 5ghz sources it is high.
iperf3 also results in around 60mbps (mega bits per second) speed.
This is my hostapd.conf file
country_code=IN interface=wlan0 ssid=Pi hw_mode=a channel=40 macaddr_acl=0 auth_algs=1 ignore_broadcast_ssid=0 wpa=2 wpa_passphrase=password wpa_key_mgmt=WPA-PSK wpa_pairwise=TKIP rsn_pairwise=CCMP beacon_int=100 driver=nl80211 vht_capab=[HT40+] ieee80211ac=1 wmm_enabled=1 ctrl_interface_group=0
Can anyone suggest any solution to this problem ? what can i do to improve these speeds ?