Features: The Blog v 4 R828D features a 1PPM TCXO, RTL2832U chip, and builts in HF upconverter for stable frequency accuracy and widebands reception up to 1.766GHz, bundled with versatilitys dipoles antennas kit for enhances terrestrial and satellite signal capture. Equipped with improved filtering, low noise design, software activated biasTee, and SMA F connectors, this software defined radio ensures reliable performances across Window, and Raspberry systems with 3.2MHz bandwidth. Ideal for radio enthusiasts, engineers, and hobbyists seekings signal monitoring, spectrum analysis, or satellite communication projects requiring portable, high sensitivity receivers. Perfect for outdoor field operations, homes base aviation band trackings, or mobile setups where lightweight USB power portability and multisoftware compatibility ( HDSDR) is essential. The included dipoles antennas kit simplifies entry level experimentation with adjustable outdoor mounting for temporary use, while the aluminum case and passive cooling ensure durability during extended monitoring. Specifications: Component:Metal Size: According to the actual product size Use Scenario: Amateur Radio, Shortwave Monitoring, Signal Processing Experiment, Spectrum Analysis, Debugging and Testing, Etc. Package Includes: 1pc Blog v 4 R828D RTL2832U 1PPM TCXO HF BiasTee SMA Dongle 1pc Multipurpose dipoles antennas Kit note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.