> For the complete documentation index, see [llms.txt](https://docs.mtoolstec.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mtoolstec.com/nfc-and-rfid-emulators.md).

# NFC & RFID Emulators

Choose an NFC or RFID emulator by frequency, protocol, connection and workflow. This collection covers portable tag emulators, reader/emulator development tools, Amiibo-compatible devices and multi-purpose security research hardware.

[Browse all RFID emulators](https://shop.mtoolstec.com/product-category/rfid-emulator/)

## Quick comparison

| Product family            | Best for                                                 | Frequency / protocols                                        | Connection                           |
| ------------------------- | -------------------------------------------------------- | ------------------------------------------------------------ | ------------------------------------ |
| Chameleon Ultra family    | Portable LF/HF reading, emulation and authorized testing | 125 kHz and 13.56 MHz; support varies by firmware            | Bluetooth and USB                    |
| Chameleon Mini / Lite     | Compact MIFARE-focused emulation                         | 13.56 MHz, primarily ISO14443A                               | USB or Bluetooth, depending on model |
| PN532Killer               | Reader, emulator, sniffer and protocol testing           | ISO14443A/B, ISO15693 and EM4100                             | Model-dependent                      |
| Pixl.js                   | Amiibo and interactive NFC tag collections               | 13.56 MHz NFC                                                | Bluetooth / USB firmware workflow    |
| GroveNFC / ST25R3916 Unit | Embedded development and custom NFC projects             | ISO14443A/B, FeliCa and ISO15693; emulation varies by device | Grove / I2C                          |
| Flipper Zero              | Multi-protocol portable experimentation                  | NFC, LF RFID and other radios                                | USB and Bluetooth                    |

{% hint style="info" %}
Protocol support, tag capacity and reader mode differ by model and firmware. Check the product page before ordering; “NFC emulator” does not mean every NFC or RFID protocol is supported.
{% endhint %}

## Chameleon portable emulators

### Chameleon Ultra

A portable open-source LF/HF RFID tool for reading, emulation and authorized security research. It is the most complete choice in the Chameleon family when both 125 kHz and 13.56 MHz workflows are required.

* [Chameleon Ultra](https://shop.mtoolstec.com/product/chameleon-ultra/)
* [Chameleon Ultra SE](https://shop.mtoolstec.com/product/chameleonultra-se/) — compact hardware variants with the same software ecosystem
* [ChameleonUltra Dev Kit](https://shop.mtoolstec.com/product/chamleonultra-dev-kit/) — development and integration package
* [Setup and usage guide](https://docs.mtoolstec.com/how-to-use-chameleonultra)
* [Firmware upgrade guide](https://docs.mtoolstec.com/upgrade-the-firmware-of-chameleonultra-and-chameleonlite)

### Chameleon Lite and Chameleon Mini

Choose these for smaller, focused 13.56 MHz / MIFARE emulation workflows where the full dual-frequency feature set of Chameleon Ultra is not required.

* [Chameleon Lite](https://shop.mtoolstec.com/product/chameleon-lite/)
* [Chameleon Mini Rev.E RDV 2.0](https://shop.mtoolstec.com/product/chameleon-mini-rev-e-rdv-2-0-2022/)

## NFC emulators and development tools

### PN532Killer

A multi-function reader, emulator and sniffer for ISO14443A, ISO14443B, ISO15693 and EM4100 research workflows.

* [PN532Killer](https://shop.mtoolstec.com/product/pn532killer/)
* [M5StickC adapter](https://shop.mtoolstec.com/product/m5stickc-adapter-for-pn532killer/)

### Pixl.js OLED for Amiibo

A display-equipped NFC device designed for managing compatible virtual tag collections and Amiibo workflows.

* [Pixl.js OLED for Amiibo](https://shop.mtoolstec.com/product/pixl-with-oled-for-amiibo/)
* [Pixl.js firmware upgrade guide](https://docs.mtoolstec.com/upgrade-the-firmware-of-pixl.js)

### GroveNFC

An open communication NFC module for M5Stick, AtomS3, CardPuter and other Grove-compatible hosts. It supports reader and emulator development with open-source demo firmware.

* [GroveNFC Open-Source NFC Module](https://shop.mtoolstec.com/product/grovenfc/)

### M5Stack NFC Universal Unit (ST25R3916)

An I2C NFC reader/writer and development unit supporting ISO14443A/B, FeliCa and ISO15693, plus NFC-A and NFC-F card emulation modes.

* [M5Stack NFC Universal Unit](https://shop.mtoolstec.com/product/m5stack-nfc-universal-unit-st25r3916-13-56mhz-rfid-reader-writer-module/)

## Multi-purpose device

### Flipper Zero

A portable multi-tool that includes NFC and LF RFID functions alongside other radio and hardware interfaces. Choose it for broader experimentation rather than a dedicated NFC-only workflow.

* [Flipper Zero](https://shop.mtoolstec.com/product/flipper-zero/)

## Apps, firmware and next steps

* [MTools BLE](https://docs.mtoolstec.com/help-and-info-mtools-lite) — mobile workflows for supported Chameleon devices
* [How to use Chameleon Ultra](https://shop.mtoolstec.com/how-to-use-chameleon-ultra/) — product setup, apps and desktop tools
* [RFID, NFC & UHF hardware overview](https://docs.mtoolstec.com/rfid-nfc-and-uhf-hardware)
* [Browse the full emulator collection](https://shop.mtoolstec.com/product-category/rfid-emulator/)

{% hint style="warning" %}
Use emulation, cloning, sniffing and security-testing functions only on tags, credentials and systems you own or have explicit authorization to test. Capabilities and legal requirements vary by jurisdiction.
{% endhint %}