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[单选题]
什么频段可用于无人机系统的下行遥测与信息传输链路()。
A.1420~1426MHz
B.1428~1439MHz
C.1429~1452MHz
D.1430~1446MHz
查看答案
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A.1420~1426MHz
B.1428~1439MHz
C.1429~1452MHz
D.1430~1446MHz
A.903~909MHz和948~954MHz
B.909~915MHz和954~960MIHz
C.825~-835MHz和870~880MHz
D.885~889MHz和930~934MHz