Hello, We can have a discussion for RAK Gen.2 Fiber Glass Antenna discussion here. The Beta Sample is on the way to Beta winner:https://beta.rakwireless.com
Also, the Antenna specification and Lab testing result shared here:
https://www.rakwireless.com/en/download/Accessories/Antenna
You also can see some testing result published here:
we can publish our testing result here as well as include some intallation experience.
ken