Features 1、The digital meter is very accurate and can be used to measure forward power, reflection power and VSWR 2、3.5 inches Large LCD display for easy reading 3、LCD Backlight Display 4、Forward/Reflective/VSWR Ratio in one push button 5、The control layout is convenient and the operation is simple Specification Feature: The digital meter is very accurate and can be used to measure forward power, reflection power and VSWR. 3.5" Large LCD display for easy reading. LCD Backlight Display. Forward/Reflective/VSWR Ratio in one push button. The control layout is convenient and the operation is simple. Specification: Condition: Brand new Material: ABS Model: DG-503 Frequency range: 1.6-60MHz/125-525MHz Vibration point: 14MHz/50MHz/145MHz/435MHz Power range: 0-200W Accuracy: +5% Minimum power of SWR: 1W Input/Output Connector: SO239 Insertion loss: less than 0.1dB Test function: Fwd/ref Power and VSWR ratio Input/output impedance: 50 ohms Package Weight: 878g Package List: 1 * Digital SWR/Watt Meter 1 * User Manual 1 * 12V DC wire Note: 1. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 2. DG-503 can not be switched to MAX mode, does not have the function of measuring DMR (TDMA), AM, SSB, please confirm before purchase. Package List 1 * Digital SWR/Watt Meter 1 * User Manual 1 * 12V DC wire