1、Impedance Matching: The main board PCB uses four layer circuit board process, and impedance matching is performed on the circuit 2、Good Quality Sound Cavity: The screen backlight can be controlled, using good quality sound cavity with a bass diaphragm, and an SMA antenna socket 3、0.3μV Sensitivity at 250MHz: Due to the characteristics of the for msi001 chip used, the dynamic blocking range is about 85dB, and the sensitivity is 0.3μV at 250MHz 4、3.5in Touch Screen: 3.5in IPS display with touch screen, screen display bandwidth is 160kHz, and zoom display 5、Transmit CAT, IQ and Audio: Connect to the computer via USB, can transmit CAT, IQ and audio. The operation mode includes two EC11 pulse encoders and capacitive touch screen 6、Improve Receiver Dynamic Range: Built in LNA is used to improve the dynamic range of the receiver, and an expansion board is designed to improve the shortwave HF band. The board will be planned to be built into the receiver 7、Variable Filter Width: Variable filter width, used as adaptive noise suppressor, threshold noise suppressor, noise blanker, AGC, equalizer, support UHF band 8、Support AM, SSB, NFM, WFM, CW Demodulation: The processor core uses for STM32H743 with a main frequency of 480MHz, and the analog modulations that support demodulation include AM, SSB, NFM, WFM, CW Item Type: SDR Receiver Material: PCB Frequency Range: 50kHz-2GHz RF Front End: For msi001 Battery Capacity: 2000mA/h Battery Model: Lithium battery Receiver Power Consumption: 300mA 1 x SDR Receiver 1 x Antenna