If it helps, I regularly work on block 21 in western Sicily and the reading from RF scan is very clean. My experience in this area is very good too with block 25,23,22 and A1 (upper part of the block), and quite good with block 26.
Hi, I hope this can help who, like me, have "noise" problem with SMWB.
https://www.lectrosonics.com/the-wire-lists/889-wire-lists-33-hey-whats-that-sound.html
I solved my problem avoiding frequencies evenly divisible by 12
For documentary work I use Sennheiser MKE2, more robust than DPA 4060 in my experience (sound quality is a different matter...). I've rarely got cable noise issues with MKE2's mounted with loop