Feature: 1. RADIO DEVELOPMENT BOARD: This product is a software defined radio peripheral that can transmit or receive radio signals from 1 MHz to 6 GHz. 2. MAIN FUNCTION: Designed to support the testing and development wireless technology, it is an open source hardware platform that can be used as a USB peripheral or programmed for independent operation. 3. ACCURATE TUNING: This USB SDR transceiver uses PPM calibration for more accurate tuning and stable performance, making it very easy to use. You can use it with confidence. 4. COMPACT AND CONVENIENT: This portable radio transceiver is small in size, lightweight, and easy to install and use. 5. ADDITION FUNCTIONS: For certain functions such as world maps, GPS simulators, etc., you need to prepare Micro storage cards(not included) in for H2 and 1G or above FAT32 format. Specification: Item Type: Software Defined Radio Platform Material: PCB Specifications: 1 MHz to 6 GHz operating frequency Half duplex transceiver Up to 20 million samples per second 8 bit orthogonal samples (8 bit I and 8 bit Q) Suitable for GNU Radio, for SDR , and for example Software configurable RX and TX gains and baseband filters Software controlled antenna port power supply (50 mA at 3.3 V) SMA female antenna connector SMA master clock input and output for synchronization Convenient Programming Button: Internal Pin Expansion High speed USB 2.0 USB powered Open source hardware For One 1 MHz to 6 GHz for SDR Platform Software Defined Radio Development Board High speed USB 2.0 USB powered . Package List: 1 x Development Board 1 x Antenna 1 x USB Cable1 x Washer Ring 1 x Washer 1 x Nut Note: 1. Supports the latest firmware, and the current firmware defaults to for Mayhem firmware v1.7.3.2. For certain functions such as world maps, GPS simulators, etc., you need to prepare Micro storage cards(not included) in for H2 and 1G or above FAT32 format.