Mikrotik has been good on 60GHz in my opinion
They were an extremely mixed bag for us until we finally got some answers (which was like drawing blood from a stone)
It's not until we finally figured out we need to run through a specific process that we could actually rely on them. Out of the box they are both good and extremely bad at the same time
Good in that i've literally turned one 70 degrees to the side and still got >1gbit/s throughput, alignment seemed almost pointless and the dish seemed to run on magic, not even a 5ghz dish will sustain a link let alone perform amazingly whilst doing that
Yet we'd also have them drop out if somebody sneezed within a 500m radius and increased the air humidity by 0.000000000000000001%
Nothing made any sense with them.
We found we had to....
- Always manually set the frequency to 64800 (or the next one down if you have interference issues). The default of 'auto' will always pick 58ghz which is GARBAGE, its the shittiest frequency to use and will absolutely drop in even a slight humidity increase, never ever use it. Or use 66ghz (CLI only) for links longer than 1.5km
- Throw stock mount in the bin and use a SolidMount if doing any links over 300m, because stock garbage will always move when tightening anyway
- Manually set tx-sector to 36 to disable beamforming on both ends
- Ignore the stated claims of a 2 degree beamwidth, because its just wrong, it'll still link up when 10 degrees to the side or more
- Completely ignore all values presented to you like RSSI or estimated alignment to center, its just flat out wrong
- Set 1 or both radio's to mode=align
- Run a UDP bandwidth test
- Observe packet error rate and overall bandwidth throughput. Error rate should consistently be less than 10% but a few spikes is acceptable
- Align radio whilst watching bandwidth and error rate, ignore RSSI
- Lock down radio and potentially re-enable beamforming with tx-sector=auto command
Only after doing that would we have predictability...... sort of. It still operates partly on black magic because we have a site where we are using LHG 60G dishes everywhere (yes even the Access Point) that cover a 90 degree spread and it works perfectly fine, which we are consistently told is impossible. Yet we have had other sites constantly drop out despite perfect conditions and short ranges for no apparent reason
In any case, they overall are quite good and we will use them whenever ranges are about 2km or less because 5ghz is crowded. However we just need more range
TBH I don't care if the dish needs to be 5x bigger, we just need more range and it must be RELIABLE range where it doesn't drop out at approx 7km or more even in heavy rain (Siklu can manage this) because then we can upgrade the majority of our backhaul and completely eliminate interference. If its less than that, we're still better off using the latest 5ghz gear from Cambium or Ubiquiti