Features: Experience the clear communication with the USDX Shortwave Radio, a 3 band amateur radio that boasts open source and auditory enhancements Featuring a TDA1308 front end auditory amplifier for convenient control via a knob, and LT1805 power convert to prevent overheating, this radio is engineered for reliability and ease of use. The USDX Shortwave Radio to those passionate about exploring the popular 40m, 15m, and 20m bands within the Chinese region. Whether you're camping, hiking, or mountaineering, this portable radio with its metal casing support SMA or BNC connectors ensures connection for the outdoors. With a power output of up to 5W, compliance with QRP standards, and a clear 1602 LCD screen, the USDX Shortwave Radio is for long communication and adventure. Specifications: Size:about 80x40x100mm/3.15x1.57x3.94in Housing:Metal Model：USDX Amateur working band: 40m, 15m, 20m Power: No more than 5W Screen: 1602 Package : Host with Handheld Microphone/ Host with Handheld Microphone and Morse Key Package Includes: 1Set USDX Shortwave Radio note: Due to problem of lighting effect there might be tolerances in product, please understand. Please allow 0-2mm error due to manual measurement.