NISSEI DG-503 PP Nissei RS-50 Max SWR Meter Unit Price -7180/Pcs + GST 18% Frequency Range: 125~525Mhz Power Measurement: 0 to 120 Watts Accuracy: ±5% Minimum Power for SWR Measurement: 1 Watt Display: Large analog meter with backlight for clear readability Connectors: SO-239 (UHF Female) Insertion Loss: 0.3db Impedance: 50ohm Dimensions: 70 mm (W) x 78 mm (H) x 30 mm (D) Power Supply: External Micro USB DC 5V, non-rechargeable