What grid/dish should you guys reccommend for a groove that can do both channels 2.4 and 5ghz?

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1

I am looking for some advice, I bought this groove https://scoop.co.za/mikrotik-rbgroove52hpn-l3-outdoor-wifi-radio.html at scoop.

What grid/dish should you guys reccommend for a groove that can do both channels 2.4 and 5ghz?

2

One of the grid antenna’s worked well for me in both 2.4 and 5ghz.

https://scoop.co.za/5ghz-30dbi-grid-antenna.html

I’m not sure if the smaller (and cheaper) 27dbi one will function as well as the above 30dbi as I have no experience, but as I said - the 30dbi one did work