Features: The machine carries thelatest genuine firmware and supports subsequent upgrades; Add personalized interfaces; Support forLNA function (can be operated on or off on the screen, and there is an indicator light prompt) Support forhigh impedanceHI-Z modes (switchable on screen with indicator light prompt) Support 50ohm modes (with screen switchable and indicator light prompt) Built in bandpass filtering circuit for filtering, with a shielding cover toshield interference; SupportCW decoding function Equipped with a 3inch external magnetic full frequency stereospeaker, the sound quality is better and there is no broken sound. Use headphones to listen tostereo programs within the broadcastingrange. The headphone cable is used as anFM antenna. Automatic switching of antenna input. You can adjust the screen brightness or completely turn off the screen to increase more autonomyand reduce interference. Specifications: Frequencyrange: 132KHZ -30000KHZ Suitable for AM, SYNC SSB DIGI; 64MHZ -108MHZ, suitable for FMandCW.According to different modulation modes, the adjustable bandwidthrange is from 500HZ to 6000HZ for signal quality measurement. The minimum frequency adjustment step is 10HZ. Accuracy up to 1HZ Shellmaterial: aluminum alloy Built-in lithiumbattery 3.7V/3000mA Type-C program upgrades and charging Shellsize: approx 11.1x10.2x4.7cm/4.37x4.01x1.85in Color:Red White Package:Set 1/ Set 2 Set 1: 1.Host 2. WiFi antenna 3. Rod antenna 4. Touch pen 5. TYPE-C charging data cable 6. Corner pad Set 2: 1.Host 2. Storage bag 3. WiFi antenna 4. Rod antenna 5. Two in one touch pen 6. TYPE-C charging data cable 7. Machine foot pad Note: Due to the difference of different monitors, the picture may not reflect the actual color of the item. Thanks! Due to manual measurement, please allow error of 0-1cm. Please make sure you do not mind before bidding. Package includes: 1 Set Genuine New 4.17 Firmware ATS25 AMP Fullbands Radio