Few urgent issues with RB433: DFS weak signal

RouterOS Wireless Networking
1

We have now few issues concerning RB433+R52 devices:

  1. DFS effect on signal quality
    we have installed about 50 point-to-point link with RB433+R52 devices.
    Those links have been created and tested with DFS disabled.
    But in France, we have to activate DFS+radar detect.
    But, we found that when we activate DFS+radar detect on devices, signal
    decreases very significantly, around 10dB loss, having long distance links
    very unstable.
    How can we explain this ? and how to troubleshoot it (logs ?) ? and of
    course how to fix ? this is very urgent, any advice would be much
    appreciated

  2. Signal quality with R52
    It seems that signal from R52 is weaker with RB433 board than with older
    RB532. Does this make sense ?

  3. Short power outage freezes RB433
    In the last weeks, we had few examples where RB433 froze after short power
    outages.
    We tested this in labs and found that RB433 can’t reload when it’s
    unplugged and replugged about 3 seconds after.
    Can you confirm this ? is there a solution for this ?

Thanks for any advice

2

I experienced the same trouble 1. months ago. Furthermore, running dfs caused long series of reboot in AP concentrated in well-localized areas. I think dfs algorithms on routerOS 3.x messes other kind of signalling with radar pulse burst, causing kernel panic, but nobody answer to my question.

3

Bug with DFS rebooting the router is already fixed in the latest release of the RouterOS.

4

thanks for your reply.