Wifi Range Test on Linux

Tool/Utility - iperf3

For installing iperf3 on Debian/Ubuntu

sudo apt install iperf3

Run command on host/server side

iperf3 -s -i 1 -- default port 5201

Run command on client side

iperf3 -c 192.168.X.X -u -i 1 -b 16M --bidir -- 16M for 16Mbps data rate

To save the output of the command

iperf3 -c 192.168.X.X -u -i 1 -b 16M --bidir > Output.txt

geting information about wifi

iw dev wlan0/wlo1 info

checking wifi channels for different frequencies(i.e 2.4Ghz,5GHz)

iwlist

checking wifi channels available in country

iw reg get

setting country for activating respective channels

iw reg set US/UK/IN/FR (specific country code)

running hostapd.conf

sudo hostapd -d /etc/hostapd/hostapd.conf