A.2Km/h~20Km/h B.2Km/h~30Km/h C.3Km/h~25Km/h D.3Km/h~30Km/h
A.不大于50m B.50m C.不少于50m D.不少于30m
A.9075MHz±30MHz B.9275MHz±30MHz C.9375MHz±30MHz D.9475MHz±30MHz