Features: Upgraded with the premium SI4735D60 chip and expanded battery, the ATS decoders delivers enhanced sensitivity and extended runtimes for amateur radio receivers, featuring a 4" screen and built in stereo speakers for crisps stereo output. This aluminum digital receiver boasts adjustable screen brightness settings, double channel Morse code/digital mode decoders, and high volumes stereo speakers optimized for clear band reproduction in outdoor environments. Designed for radio enthusiasts, outdoor adventurers, and shortwave listeners seeking professional signals and portable durability during field operations or emergencies communications. Perfect for decoding Morse transmissions at campsites, monitoring aviation bands during hiking trips, or enjoy stereo programs in garages/workshops with its anti interferences screen. Combines desktop grade performances with handheld portability the scratch resistant display, aluminum frame, and 20+ hour battery life make it ideal for prolonged DXing and mobile use. Specifications: Battery Capacity: 4000mAh Headphone: 3.5 mm Interfaces: Type C Frequency ranges: 132kHz - 30000kHz Amplitude modulation, synchronization, single sideband, continuous digital; 64MHz - 108MHz Frequency modulation Package Includes: 1Set ATS decoders note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.