I am have almost completed an upgrade for a member school district. We went with "N", but are having very disappointing results with the finished links.
Boards: 433AH
Cards: SR17
Antennas: 32 Db dish with DP feed horns
Distance 7 miles
Db level 68-70
Using 5 Ghz N only
Both chains are checked and CCQ is 85-100+ % with low traffic.
Once traffic gets past 3Mb, CCQ bounces all over the place and often dips into the single digits, with ping times going into 400-900 ms.
When traffic dies down, connection speed will come back to 54/130 or 130/130
Have tried every frequency in the 20 MHZ range, but nothing helps.
Any ideas?