Which frequency bands require DFS certification by the FCC? seenagape 9 years ago Which frequency bands require DFS certification by the FCC? A.5.25 ~ 5.35 GHz B.5.47 ~ 5.725 GHz C.5.25 ~ 5.725 GHz D.5.25 ~ 5.35 GHz and 5.47 ~ 5.725 GHz Explanation: ← Previous question Next question →