单项选择题
A.EIRP B.G/T C.S/N D.C/N
A.ASK B.FSK C.PSK D.ARQ
A.-80 B.80 C.105 D.-105
A.59.25—64.25MHz B.5.925—6.425MHz C.592.5—642.5MHz D.5.925—6.425GHz
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