Please note that release 4.1.1 RC10 is now available under our beta download section. Don't forget to register for the beta forum in order to access this software.
https://support.cambiumnetworks.com/files/epmp/beta#r1
This release supports the following:
F300 20/40 MHz stable operation
PTP550 20/40/80MHz and channel bonding for 20/40 MHz
Caveats
F300 80MHz throughput is not optimal
550 channel bonding for 80+80 is not optimal