Feature: 1. Practical Use: Supports various receiver modes, including AM, NFM, FM, DSB, USB, LSB and CW, very simple and useful. 2. Broader Range: Comes with a wide receiving frequency range of 100KHz‑1.766GHz, satisfying your various working needs. 3. Good Chip Set: Equipped with RTL2832U and R820T2 chip set, which can cover all high frequency amateur bands in the working. 4. Better Design: Designed to have 50 ohm input impedance as well as dual SMA antenna connector, works with great reliability. 5. Easy to Install: Light in weight and compact in size, the simple carrying and installation will largely simplify your work. Specification: Item Type: RTL SDR USB Receiver Material: Aluminium Colour: Blue + Black Features: 1. Aluminium shell shielding plate. 2. Using RTL2832U + R820T2 chip set 100KHz-1766MHz, the working frequency covers all high frequency amateur bands. 3. Covers 24-1766MHz VHF and UHF frequency bands up to 3.2m sampling rate. (~2.8 MHz stable). 4. Receiver mode AM, NFM, FM, DSB, USB, LSB and CW 50 ohm input impedance, dual SMA gold antenna connectors. 5. Separate antenna inputs for SW and VHF. 6. Can be used to test the UV band of the received signal, the resonance frequency is the GSM band, and the effect of receiving UV is not the best. 7. Based on DVB-T TV (Digital High Definition Television) USB receiver dongle with RTL2832U chip. . Package List: 1 x RTL SDR USB Receiver1 x Retractable Testing Antenna1 x USB Cable Note: 8 bit ADC provides ~50 dB dynamic range depending on the SDR software used by the receiver.