Features: Frequency ranges from 50khz to 200mz. All types of analog-modulation: AM, SSB, NFM, WFM. Multiple functions: variable filter width, adaptive noise suppressor, threshold noise suppressor, noise blanker, AGC, equalizer. Adopts msi001 chip, and powerful stm32h743 with clock frequency of 480mhz. Equipped with 3.5inch IPS touching screen, you can see the data clearly. Built-in UHF, and the control comes with 2 buttons and touching coder. Recharged by Type-C cable, you can use it to recharge the internal battery. The consumption when using headphones is 300mAh. Built-in receiver module to improve HF reception on the telescope antenna, and an additional board with a source follower is developed. The board will be built into the standard receiver design. Connecting to the computer via USB, you can transfer cat, IQ and audio. 160 kHz span, expandable. High sensitivity, the s/w is 0.3V= 10dB under the 250MHz situation. Dynamic blocking-range is about 85dB due to the characteristics of msi001 chip used. Backlight control, SMA antenna socket. Specifications: Name: SDR Receiver Material: plastics Color: black Type: with antenna, without antenna(optional) Recharge: Type-C cable(not included) Battery: 1 * built-in battery, 4.2V, 2020mAh(included)