There are many flavors for cambium and everyone use different equipment for different case scenarios.
I believe everything will get better when you get to know cambium technology in real time with deployements and the results will be fantastic.
I personally deployed ubnt AC a while ago and it was terrible with results.
Cambium has the ePmP line with the most commun radios
1-the ePmP1000 access point connectorized with gps sync (about $495.00 each)
2-the ePmP1000 cpe radio connectorized with no gps syn (Client side) (About $100 each)
We use ePmp1000 connectorized radios with gps for acces points
For this configurations we use syc when we need to re-use the frecuency at the same tower with 4 sectors.
For some other cases we use the AP's without syc in flexible mode.
Both options give us really nice stabillity and throughput.
Most clients CPE's are connected from 30 to 80 Mb, most clients are over 5 miles from the AP's
We have clients 7 miles away at 65Mb and 20 Mb at 14 miles.
Our area is the worst regarding spectrum and noise, but somehow we managed to get the best of cambium.
One of the secrets are using the ePMP1000 connectorized CPE radio with ubiquiti dishes by incorporating the cambium - ubnt adapter ez-epmp bracket.
Always run spectrum annalisys before choosing the channel
Do not use your channels over 20 Mhz
When possible, use ubnt 45 degrees antennas for the access points when there are high interference zones
I guess the rest of details you already know by deploying ubnt around.
Hope it helps