Feature: 1. FOR TECHNOLOGIES DEVELOPMENT: Designed to support the testing and development of modern and next generation radio technologies, very practical 2. OPEN SOURCE FOR USB PERIPHERAL: This is an open source hardware platform that can be used as a USB peripheral or programmed for standalone operation 3. 1MHZ-6GHZ FREQUENCY: Support 1MHz to 6 GHz operating frequency. Software configurable RX and TX gain and baseband filters 4. SMA FEMALE INTERFACE: Software controlled antenna port power is 50mA at 3.3V, adopt SMA female clock input and output for synchronization 5. EXCELLENT PERFORMANCE: Half duplex transceiver, up to 20 million samples per second, compatible with for GNU Radio, SDR, etc. Come with convenient programming buttons, internal pin headers for expansion, and USB powered Specification: Item Type: SDR Development Board Material: Acrylic Operating Frequency: 1 MHz to 6 GHz Half duplex transceiver Up to 20 million samples per second 8 bit quadrature samples (8 bit I and 8 bit Q) Compatible with for GNU Radio, for SDR, etc. Convenient programming buttons Internal pin headers for expansion High speed USB 2.0 USB powered Open source hardware Included: Acrylic case and antenna. Package List: 1 x SDR Development Board Note: Please allow 1‑3cm error due to manual measurement. Thanks for your understanding.