Features Excellent Chip Set: The full -band wireless receiver is equipped with RTL2832U and R820T2 chip kit, which can cover all high -frequency amateur belts in the work. Better Design: The receiver is designed with 50 ohms input impedance and dual SMA antenna connector, which can provide great reliability. Support Various Receivers: Wireless receiver supports various receivers, including AM, NFM, FM, DSB, USB, LSB, CW, which is very simple and useful. Easy to Install: RTL-SDR USB wireless receiver has the characteristics of light weight and compact size, which can be simplified and will simplify your work to a large extent. Wide Range: USB wireless receiver is mostly a wide range of receiving frequencies, which meets your various work needs. Specification: Item Type: RTL SDR USB Receiver Material: Aluminium Colour: Blue + Black Features: 1. Aluminium shell shielding plate.  2. Using RTL2832U + R820T2 chip set, the working frequency covers all high frequency amateur bands.  3. Covers most MHz 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 Receiver 1 x Retractable Testing Antenna 1 x USB Cable Note: 8 bit ADC provides ~50 dB dynamic range depending on the SDR software used by the receiver. Package List 1 x RTL SDR USB Receiver 1 x Retractable Testing Antenna 1 x USB Cable