A.21.125-21.45MHz,除去21.1495-21.1505 B.21.125-21.45MHz C.21-21.45MHz D.21-21.35MHz
A.24.9305-24.99MHz B.24.928-24.988MHz C.24.890-24.98MHz D.24.9205-24.99MHz
A.28.3-29.3MHz B.28-29.7MHz C.28.250-29.7MHz D.28.2-29.6MHz