Upgraded version uses the latest firmware ubertooth-2020-12-R1. Open-source 2.4 GHz wireless development platform suitable for Bluetooth experimentation. Based on the powerful LPC175XARM Cortex-M3 microcontroller and full-speed USB 2.0. Capable of developing custom Class 1 comparable Bluetooth devices. Can transmit and receive 2.4 GHz signals and operate in monitoring mode to monitor Bluetooth traffic in real time, a feature not previously available in Bluetooth standards. The UBERTOOTH ONE is a versatile platform designed for Bluetooth experimentation. It allows developers to create custom Bluetooth devices and monitor Bluetooth traffic in real time. To open the schematics and board design files in the source code package, you will need to download KiCad, an open-source electronic design automation software package. Color: Black Material: plastic Package Contents: 1*Bluetooth Protocol Analyzer 1*Antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.