50MHz band: -63dB or less. 50MHz band: -18dBμ (0.12μV) (when preamplifier 2 is ON). 50MHz band: 0dBμ (1.0μV) (when preamplifier 2 is ON). 50MHz band: -12dBμ (0.25μV) (when preamplifier 2 is ON). 50MHz band: -60dB or less.
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