Feature:1. The frequency range of this product is from 50 kHz to 200 MHz, which is very practical.2. This radio receiver supports all types of analog modulation: AM, SSB, NFM, WFM.3. Powerful functions: variable filter width, adaptive noise suppressor, threshold noise suppressor, Noise Blanker, AGC, equalizer.4. Use the full functional chip msi001, which is small and has good performance5. The powerful stm32h743 with a clock frequency of 480 MHz is applied.Specification:Item Type: Radio Receiver Product Parameter Introduction: 1. The radio is constructed based on the SDR principle, and the function is determined by the loaded software.2. The frequency range is from 50 kHz to 200 MHz (default version) / from 50 kHz to 250 MHz, 400 MHz to 2 GHz (registered upgrade version).3. All Types Of Analog Modulation: AM, SSB, NFM, WFM;4. Powerful Functions: Variable filter width, adaptive noise suppressor, threshold noise suppressor,Noise Blanker, AGC, equalizer.5. Use the full functional chip msi001;6. The powerful stm32h743 with a clock frequency of 480 MHz is applied.7. 3.5 inch IPS display with touching screen.8. There is a built-in UHF.9. Control 2 encoders with buttons and touching screen.10. The power supply is supplied by the external TYPE-C (Huawei mobile phone) interface and can be charged by TYPE-C. The internal battery voltage is 3.7V and the capacity is 2500ma.11. When consuming headphones, the current is 300mA.12. Built-in receiving module In order to improve the HF reception on the antenna, an additional board with a source follower has been developed. The board will be built into the standard receiver design.13. Connect to the computer via USB, you