Wrong TX power wifi-qcom-ac antenna gain missing

RouterOS Wireless Networking
1

Hello guys,

wev’ve upgraded multiple mANTBox 52 15s to ROS 7.14.3 and the wifi-qcom-ac package.

Now it seems that the the wifi package is ignoring the built in antenna gain and as a result the TX power is very high.
Currently we’ve not set any antenna gain in the wifi configuration, as the minimum antenna gain should be hardcoded.

But if we look under the wifi → radios tab the field “Min. Antenna Gain” is completely empty and also the command /interface/wifi/monitor shows a very high tx power which can’t be legal.

Is there anything special regarding Min. Antenna Gain and TX Power EIRP Calculation with the new wifi package? Or is this a bug?

Thanks
Joshua

2

Missing minimum antenna gain is not something universal, my Audience running wifi-qcom-ac shows (and uses) it. So you may want to create supout.rif and open trouble ticket with support@mikrotik.com …

3

Can you share your config?
Which version was installed before upgrading?
Have you considerd doing a netinstall (to compare)?

Agree with @mkx (ofcourse), could be something missing in the script…

4

We’ve upgraded from stock firmware 6.49.6.

Here you can find the configuration (I’ve removed unnecessary parts like bridge and vlan config):

/interface wifi channel
add band=2ghz-n disabled=no frequency=2412 name=2.4-A width=20mhz
add band=5ghz-ac disabled=no frequency=5500 name=5.0-A width=20/40mhz-Ce

/interface wifi configuration
add country=Germany disabled=no mode=ap name=cfg-admin security.authentication-types=wpa2-psk,wpa3-psk .passphrase=12345678 ssid="Test Admin"
add country=Germany disabled=no mode=ap name=cfg-main security.authentication-types=wpa2-psk,wpa3-psk .passphrase=12345678 ssid="Test Main"
add country=Germany disabled=no mode=ap name=cfg-guest security.authentication-types=wpa2-psk,wpa3-psk .passphrase=12345678 ssid="Test Guest"

/interface wifi
set [ find default-name=wifi1 ] channel=2.4-A configuration=cfg-admin configuration.mode=ap disabled=no name=wifi2-admin
set [ find default-name=wifi2 ] channel=5.0-A configuration=cfg-admin configuration.mode=ap disabled=no name=wifi5-admin

/interface wifi
add configuration=cfg-guest configuration.mode=ap disabled=no master-interface=wifi2-admin name=wifi2-guest
add configuration=cfg-main configuration.mode=ap disabled=no master-interface=wifi2-admin name=wifi2-main
add configuration=cfg-guest configuration.mode=ap disabled=no master-interface=wifi5-admin name=wifi5-guest
add configuration=cfg-main configuration.mode=ap disabled=no master-interface=wifi2-admin name=wifi5-main

If you think netinstall could help, I’ll give it a try. I’ve also created a support ticket.