1. Software-Defined Radio (SDR) is a new type of radio broadcasting and communication technology based on software-defined wireless communication protocols rather than hard-wired implementation. Bandwidth, air interface protocols, and functions can be upgraded through software downloads and updates without requiring a complete hardware replacement.

2. This 100kHz-1.7GHz full-band RTL-SDR receiver can connect to computers, Android phones, and other devices to receive electromagnetic waves from 100kHz to 1.7GHz using SDR software. It supports AM, FM (NFM, WFM), CW, DSB, LSB, and USB demodulation. It can receive AM, shortwave, FM radio broadcasts, shortwave single-sideband communication, walkie-talkie communication, aviation bands, etc. (New features include mute detection functions: CTCSS, DCS; frequency sweeper, automatic scanning, etc.). 3. Product Advantages: The medium and shortwave signals directly input to the digital-to-analog converter chip, perfectly solving the problems of signal loss, noise, waveform clutter, and frequency deviation caused by using frequency converters. This improves sensitivity, and the waveform display is clear, perfect, and has high resolution, showing the actual frequency.

FM Broadcast: 87MHz-108MHz, select WFM.

Medium Wave Broadcast: 526.5kHz~1606.5kHz, AM.

Shortwave Broadcast: 3MHz~30MHz, AM/SSB.

Airport Tower Frequency: 118MHz-135.975MHz, AM.

Civilian Walkie-Talkie Frequency: VHF: 136MHz-174MHz, NFM standard.

UHF: 400MHz-470MHz, NFM standard.

Amateur Radio Communication: Shortwave Single Sideband: Below 10MHz, lower single sideband (LSB) is commonly used; above 10MHz, upper single sideband (USB) is commonly used.

VHF radios: Generally use the NFM standard, with frequencies of 50-54MHz, 144-148MHz, and 430-440MHz.

1 x Main unit

1 x UV antenna

1 x Data cable