I dont know if this is a place to ask
Any one with good experience need 2.4 b/g radio-miniPCI cards with good quality (not only XR2)
this week weather was bad have about 10-12 r52 damaged
I m using also UB5, XR5, SR2(good miniPCI but everywhere Out of stock), non of this cards was damaged.
also I mount everywhere Lightning Protector like on pic. any one from experience how much can help L Protector do I need more protection or its just poor quality of r52?
sory my bad Eng.
Tnx...

Check each antenna is it DC shorted or not. If not add Lightning Protector. There is measurement examples.
http://wiki.mikrotik.com/wiki/Manual:Wi ... iagnostics
Else you need feed each grounding wire to the bottom of mast and connect to additional grounding because it seems slightly smutty.

Alpha AWPCI085A, Dbii F20-PRO, Engenius EMP-8603, Unex CM10-HP are all cards you can try. But you should probably get a card that at least has ESD protection.