Feature: 1. DEVLOPMENT KIT: This Bluetooth protocol analyzer is an open source 2.4 GHz wireless development platform suitable for various Bluetooth experiments. 2. BLUETOOTH MONITORING: Not only capable of sending and receiving 2.4 GHz signals, but also operating in monitor mode to monitor Bluetooth traffic in real time. 3. WITH ANTENNA: Equipped with 2.4GHz antenna, with excellent transmit power and receive sensitivity, stable performance and less interference. 4. MULTIPLE CONNECTORS: With standard for Cortex debug connector (10 pin 50mil JTAG), in system programming (ISP) serial connector, expansion connector for internal communication. 5. WITH LED INDICATOR: The bluetooth protocol analysis module has 6 LED indicators, which is convenient to observe the analysis status and has strong practicability. Specification: Item Type: Bluetooth Protocol Analyzer Size: Approx. 61.75 x 19mm / 2.4 x 0.7in. Package List: 1 x Analyzer 1 x Antenna Note: In order to open the schematic and board design files found in the source code package, you will need to download for kicad, which is an open source electronic design automation software package.