RfidResearchGroup/ChameleonUltra

RfidResearchGroup/ChameleonUltra has 3,186 GitHub stars and 486 forks. GitHot measured 0 stars in 24 hours. Last checked 2026-11-06 19:29 UTC. Last push 2026-11-02.

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The new generation chameleon based on NRF52840 makes the performance of card emulation more stable. And gave the chameleon the ability to read, write, and decrypt cards.

3,186 stars 486 forks

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README.md

Original

ultra picture

ChameleonUltra Authorized Distributors

Lyon, France: Lab401

Santa Ana, United States: Hackerwarehouse

Hastings, UK: KSEC

Montreal, Canada: TechSecurityTools

Shenzhen, China: Sneaktechnology

Guangdong, China: MTools Tec

Lazada One, Singapore: Aliexpress by RRG

What is it and how to use ?

Read the available documentation.

Compatible applications

Videos

Beware some of the instructions might have changed since recording, check the current documentation when in doubt!

Official channels

Where do you find the community?

RFID Hacking community discord server
- Software/chameleon-dev for firmware and clients development discussions
- Devices/chameleon-ultra for usage discussions
GameTec_live discord server

Other notable projects:

RfidResearchGroup/ChameleonUltra

Measured star growth

README.md

ChameleonUltra Authorized Distributors

What is it and how to use ?

Compatible applications

Videos

Official channels

Searching for the docs repo? Find it here

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