This 120W standing-wave meter has 0.96inch large OLED display, you can see the forward power, reverse power and standing waves clearly. With 2-54MHz frequency ranges, 0.5W-120W power measurement ranges, 1.0-99.9 VSW measurement ranges. Input and output intelligent detection function. One button switch function. Support serial communication to upload data. Features: 0.96inch large OLED display, you can see the forward power, reverse power and standing waves clearly. With 2-54MHz frequency ranges, 0.5W-120W power measurement ranges, 1.0-99.9 VSW measurement ranges. According to the fitting of the detector diode characteristics let the precise of the whole power ranges within 0.5W-120W superior than 4%. Equipped with alarm function, when the standing waves greater than 2.0 it will promote a beep alarm. Input and output intelligent detection function. One button switch function. Support serial communication to upload data. Specifications: Name: Standing-wave Meter Material: metal Frequency ranges: 2-54MHz Power measurement ranges: 0.5W-120W VSW measurement ranges: 1.0-99.9 Insertion loss: <0.2dB Measurement accuracy: better than ±4% Impedance: 50 VSWR alarm: ≥2.0 (>3.0 buzzer continue beep) Radio frequency interface type: (default M) Display content: forward power, reverse power, standing wave Power supplys: built-in 3.7V/1000mAh rechargeable lithium battery (included)or USB type-c Screen size: 0.96 inch Screen type: OLED Data communication: USB type-c Firmware upgrade: Support Maximum measurement power: 120W Item size: 89 * 100 * 40mm / 3.50 * 3.94 * 1.57in Item weight: 221g / 7.80ounce Package size: 131 * 131 * 55mm / 5.16 * 5.16 * 2.17in Package weight: 273g / 9.63ounce Packing List: 1 * Standing-wave Meter 1 * Type-C Cable