At 600M-1GHz, the dynamic range of S11 is 40dB (the standing wave ratio is less than 1.02). NanoVNA-F V2 3G Vector Network Analyzer. RF output power: -9dBm (error within 1GHz: ±1dB). S11 dynamic range: 50dB (1.5GHz), 40dB (3GHz).
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