Description
Chameleon Ultra from RFID Research Group is a compact, open-source platform for authorised RFID and NFC security work. Use it to emulate, read, write and analyse compatible cards during approved assessments, reader validation, troubleshooting, education and laboratory research. Only handle cards and systems where you have explicit permission.
Key features
- Supports RFID and NFC emulation for authorised testing and research.
- Provides card reading, writing and decryption functions described by the project.
- Designed for protocol analysis, compatibility checks and reader validation.
- Offers portable operation for field and laboratory workflows.
- Open-source firmware and software support community-led development.
- Can be controlled through the project’s command-line interface and graphical tools.
Technical details
- Built around the Nordic Semiconductor nRF52840.
- Includes Bluetooth Low Energy and USB connectivity.
- Firmware can be developed and updated through documented project workflows, including DFU methods.
- Licensed under GPLv3 according to the project repository.
Compatibility and setup
The RFID Research Group project provides documentation, a command-line interface and a graphical tool for working with Chameleon Ultra. The official repositories include firmware and development documentation. Check the current documentation for supported host operating systems, software releases, compatible card technologies and any required USB accessories before deployment.
Buying in the UK and EU
RedKit Labs lists this product for UK and EU buyers with prices displayed in GBP, EUR or USD, with VAT handled at checkout. Transmitting is regulated by national radio rules and licence-exempt band conditions; receiving and analysing RFID or NFC signals is the common lawful use, so review applicable UK or EU requirements before operation.








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