Just out of curiousity, if you check country-info, it shows dfs-flag and passive -flag. What does passive stand for? country: germany ranges: 2402-2482/b,g,gn20,gn40(20dBm) 2417-2457/g-turbo(20dBm) 5170-5250/a,an20,an40,ac20,ac40,ac80,ac160(20dBm)/passive 5250-5330/a,an20,an40,ac20,ac40,ac80,ac160(2...