ATS25 -AMP Shortwave LW AM FM RDS Radio Receiver. Latest 4.17 version. Full length review and on air testing. Buy Here. https://ban.ggood.vip/14xQk Overview This version is the latest real firmware version 4.17, an exclusive modified version in collaboration with the original Russian author. It supports upgrading to the official website of ATS25-AMP and the new version officially replaces the old version of ATS25Max. The 4.17 version supports all features of the old version and adds features not available in the old version New features in version 4.17: 1. The machine carries the latest genuine firmware and supports subsequent upgrades 2. Add personalized interface 3. Support LNA function (can be controlled on or off on the screen, and there is an indicator light prompt) 4. Support high impedance HI-Z mode (switchable on the screen with indicator light prompt) 5. Support 50ohm mode (with screen switchable and indicator light prompt) 6. Built-in bandpass filtering circuit for filtering, and shielding cover for interference shielding 7. Support CW decoding function 8. Equipped with a 3-inch external magnetic full frequency stereo speaker, the sound quality is better and there is no broken sound. Use headphones to listen to stereo programs within the range of FM broadcasts. The headphone cable is used as an FM antenna. Automatic switching of antenna input. 9. You can adjust the screen brightness or turn off the screen completely to increase more autonomy and reduce interference. Frequency range: 132KHZ -30000KHZ, suitable for AM, SYNC, SSB, DIGI; 64MHZ -108MHZ, suitable for FM and RDS. CW, according to different modulation modes, is the adjustable bandwidth range from 500HZ to 6000HZ for real-time signal quality measurement and automatic channel search based on acquired data. For SSB, the minimum frequency adjustment step size is 10HZ. The BFO generator can be used to fine-tune any amateur radio frequency band, with accuracy up to 1HZ. Receive RDS information about site name, current program, radio station type and local time to support regional RDS standards. Product parameters: Shell material: aluminum alloy Built-in lithium battery 3.7V/3000ma TYPE-C program upgrade and charging Shell size: 11.1*10.2*4.7 cm, excluding protruding parts Product weight: 500g Package size: 14*11.5*5.5cm