SWR Meter 150W HF Standing Wave Ratio Meter MF AM CW SSB 1.6‑50MHz Watt Meter for Measurement Item Type: SWR Power Meter Material: Aluminium Alloy Battery: Built in 3.7V/900mAh Rechargeable Lithium Battery ( With Built In Battery ) Basic Parameters: Frequency Range: 1.6-50MHz Power Measurement Range: 0.5W-150W VSW Measurement Range: 1.0-99.9 Insertion Loss: <0.12dB Insertion Standing Wave: 1.6-30MHz≤1.02, 30-50MHz≤1.05 Measurement Accuracy: Better Than ±5% Impedance: 50Ω Standing Wave Alarm: ≥2.0 Intermittent Alarm, ≥3.0 Continuous Alarm ( With Stop Function ) RF Interface Type: SL16-M Display Content: Forward Power, Standing Wave, Antenna Power, Efficiency Shutdown Power Consumption: <0.1uA Screen Size: 0.96 Inch Screen Type: Organic Light Emitting Diode Data Communication: USB Type c