AP2 18GHz (in general link @18/23GHz) now are very rare due to the fact that are used massively for 5G Mobile network deployment in Vodafone and Telefonica networks (SIAE,ERICC, HUA are massively used) and cause of Covid19 that gave reduced workforce to be applied in productions and delay for components supply chain impacted, this what they answered to me to my direct question , why so much time to delivery