Chameleon Ultra DevKit

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Introduction

The ChameleonUltra is built on a highly capable framework, making it a powerful RFID development platform. While the ChameleonUltra has been optimised for size, the ChameleonUltra Devkit has been optimised for development.

Flashing and debug break-out points are easily accessible; the PCBA and silkscreen are arranged in logical groups for easy access and development.

The Chameleon Ultra is the ultimate RFID emulation device : Low and high-frequency emulation, full read & write capabilities, bleeding-edge cracking, wireless control : all wrapped up in a key-chain sized, fully open-sourced device.

The Chameleon Ultra is the result of exceptional engineering ingenuity : the development team discovered that little-known RFID function in a popular Bluetooth controller could be pushed to provide high-performance, multi-frequency RFID reading, writing and cracking - and emulation performance almost identical to that of a physical card.

Low & High Frequency Emulation

"Frame Delay Time" is the most important metric in emulation: slower performance means that emulation doesn't meet protocol specifications, data can be lost, and ultimately, the emulation can fail.

The Chameleon Ultra has the world's most precise emulation: it's the most precise emulator in the world.

Optimised MIFARE Classic® Cracking

The Chameleon Ultra's powerful chip supports all known MIFARE Classic® cracking algorithms - at speeds faster than the Proxmark!

The device supports all classic and modern attacks, including MFKEY32 v2, Darkside, Nested, StaticNested and Hardnested attacks - for incredibly quick key recovery.

Low & High Frequency Reading / Writing

The Chameleon Ultra hardware supports high and low frequency reading and writing - allowing it to be used as a standalone or connected reader/writer device.

For High Frequency, the device supports ISO14443A chipsets: MIFARE Classic® (1K/2K/4K, 4-byte &, 7-byte UID), NTAG® (210 - 218), Ultralight® (Standard, C, EV1), DESFire® (EV1 & 2) and MIFARE® Plus.

For Low Frequency, the device supports ASK, FSK and PSK modulations - almost 99% of 125KHz chipsets: EM410x, T5577, HID Prox, Indala, FDX-B, Paradox, AWD, PAC/Stanley, etc.

Wireless, UI and CLI Control

The Chameleon Ultra can be controlled and updated in several ways.

Firmware can be flashed via USB-C or Over-the-Air; badge dumps can be uploaded and downloaded via wireless or wired connections.

Likewise, the device can be controlled via GUI Tool, mobile phone, or via CLI - depending on your workflow.

The CLI and UI tools are continuously updated by the community, with new functionality and stability being constantly added.

Incredible hardware

The ChameleonUltra's hardware has been pushed to its limits : despite its size, it boasts better emulation than the Flipper Zero and even Proxmark 3 - and can run for 6 months off a single battery charge!

The device itself is beautiful - a masterpiece of copper, epoxy, fiberglass and stainless steel.

100% Open Source

The Chameleon Ultra is fully open-source : all firmware, hardware, software and resources are available on the Chameleon Ultra Github page.

The frequent contributions from RFID superstars such as iceman and doegox ensure that the Chameleon Ultra is a well-supported, high-performance device.

Understand the ChameleonUltra

The Chameleon Ultra's primary use is for RFID Emulation. Instead of needing physical cards, you can emulate multiple different types of chips and different frequencies with one device.

The Chameleon Ultra also has several other powerful features : cracking, reading, writing.

When working with RFID tags, there are typically five required functions:

  1. Identification - identifying the badge : frequency, modulation, chipset, protocol, etc. Most tags can be easily identified. However, some tags need to be manually identified, requiring specialty hardware such as the Proxmark.

  2. Cracking - many common chipsets (MIFARE Classic®, etc) require keys to read or write the contents of the badge. If the keys are unknown, they need to be cracked. The ChameleonUltra cracking capabilities equal to Proxmark.
  3. Reading - Reading the data from a badge.
  4. Emulation - Emulation allows for simulating a badge digitally. Instead of needing multiple physical cards, they can be replaced with an emulator. Further, emulated data and chipsets can be customised completely - something impossible with physical cards.
  5. Writing - Writing data to an existing badge, or cloning data to a new badge.

The below table shows the coverage that the ChameleonUltra provides in each of these categories, and how it compares to other tools.

Chameleon Ultra

Emulate
Crack
Read
Write
Identify

Flipper Zero

Emulate
Crack
Read
Write
Identify

Proxmark

Emulate
Crack
Read
Write
Identify

iCopy-X

Emulate
Crack
Read
Write
Identify

DL-533N

Emulate
Crack
Read
Write
Identify

Chameleon Tiny

Emulate
Crack
Read
Write
Identify

For users that don't require advanced identification or rapid cloning, the ChameleonUltra could be the perfect match for your needs.

ChameleonUltra Community and Ecosystem

The Chameleon Ultra is fully open-source : all firmware, hardware, software and resources are available on the Chameleon Ultra Github page.

The frequent contributions from RFID superstars such as iceman and doegox ensure that the Chameleon Ultra is a well-supported, high-performance device.

What's included

  • 1x ChameleonUltra DEvKit
  • 1x USB-A - USB-C Cable
  • 2-year guarantee


Device Specifications

  • Processor + Memory:
    • NRF52840
    • ARM Cortex-M4 32-bit 64 MHz (Application Processor)
    • 1MB Flash
    • 256KB RAM
  • Tactile Controls: 2x Physical Buttons
  • Internal Battery: LiPo 90mAh (6 months without charge)
  • Connectivity: USB 2.0, Type-C
  • Dimensions: 40 x 24 x 8 mm
  • Weight: 8g

Technical Resources

RFID Specifications

  • Reading, Emulation
    • High Frequency / 13.56MHz
      • ISO-14443A
      • Mifare Classic® (1K / 2K / 4K - 4-byte & 7-byte UID)
      • Ultralight® (Standard, C & EV1)
      • NTAG® (210 - 218)
    • Low Frequency / 125KHz
      • Modulation: AM / PSK / FSK
      • Supported Cards:
        • EM4XX / T5577
        • HID Prox / Indala / PAC/Stanley
        • FDX-B / Paradox / Keri
        • etc (full list below)
  • Cracking
    • MIFARE Classic®
      • MFKey32v2 (Key Calculation from sniffed exchanges)
      • DarkSide (Key derivation from no known keys)
      • Nested (Key derivation from one known key)
      • StaticNested (Key derivation from static PRNG)
      • HardNested (Key derivation from hardened PRNG)
    • Low Frequency / 125KHz
      • T5577 Password Bruteforcing
      • UID Bruteforcing

Chameleon Ultra Chipset Datasheets

Device Comparison

Summary of functionality across similar devices.

 

Device Chameleon Ultra Flipper Zero Keysy Proxmark
High-Frequency
ISO14443A Emulation ✔️

Reviews for Chameleon Ultra DevKit

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Henry Knoll
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5
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Everything is correct. Fast shipping. Works perfectly.

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