Features: Improved tuners: Using an enhanced R820T2 Tuners with enhanced components to reduce noise and improve reliability for better performances. Multifunctional reception: supports a wide frequency ranges and modulation methods, and can receive and decoding various radio signals. Upgraded TCXO stability: Using R860T to upgraded TCXO technology, providing better frequency stability and accuracy, and reducing frequency drift issue. High sensitivity: Equipped with high sensitivity receiving function, capable of receiving radio signals from distant and weak signal sources. Multi platform compatibility: Supports multi platform operating system (such as Windows, etc.) and software applications, making it easy for users to perform various wireless operations and experiments. Specifications: Material: ABS+Metal Color: Black, Silver(optional) Type: Main Machine, Main Machine with Accessory Pack(optional) Frequency ranges: 500KHz-1766MHz Sampling rate: up to 3.2Msps (stable value of 2.56Msps) AD sampling bit: 8bit Main improvement: <1PPM temperature compensated crystal oscillator (TCXO) SMAfemale antenna interfaces DC4.5V bias Supports high-frequency direct sampling modes (500 kHz -24 MHz direct sampling) Improvement compared to other RTLSDRs (R820T2, Printed Circuit Board optimization, etc.) Package Includes: 1x Software Defined Radio Receiver or 1x Radio Receiver with Antenna Accessories Pack(optional) note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.