CZUHF · CARDPUTER EXPANSION
Portable UHF RFID for Cardputer Zero / ADV
Turn your Cardputer into a compact UHF development platform with an 840–960 MHz expansion designed for compatible EPC Gen2 and ISO 18000-6C tags.
Cardputer Zero · Cardputer ADV · USB-C · TTL UART
One CZUHF board, flexible workflows
Use the expansion with Cardputer Zero or ADV for portable development, or connect over USB-C when you need Windows or compatible Android tools.
CAP · Cardputer Zero / ADV
A dedicated expansion platform for portable UHF inventory, tag inspection and authorized RFID research. Functions depend on the installed Cardputer application and firmware.
USB · Windows and Android
Connect through USB-C for compatible PC reader/writer software or Android operation—on the bench or in mobile development setups.
EPC · Gen2 / ISO 18000-6C
Designed for compatible UHF tags using EPCglobal UHF Class 1 Gen 2, ISO 18000-6C and GB/T 29768-2013.
RF · 840–960 MHz
Wide UHF operating range supports common regional bands. Select settings that comply with local radio regulations.
Compact, integration-friendly CZUHF hardware
The UHF radio, integrated antenna, USB-C connection and Cardputer expansion contacts are combined in a compact board.
PCB Top
PCB Bottom
ADV Front
ADV Top
WINDOWS READER / WRITER
Windows UHF reader / writer
Use the Windows program for real-time inventory and supported EPC Gen2 / ISO 18000-6C operations, including tag inventory, memory-bank read and write, lock and kill operations.
With compatible TID-changeable tags, supported PC or Android workflows can access additional memory operations, including TID rewriting.
Mode distinction: Cardputer features depend on its app and firmware. Use Windows or compatible Android software for full reader/writer operations.
DEVELOPMENT UPDATE · X
UHF CAP development is underway
“Cardputer Zero by @M5Stack is not shipped yet on Kickstarter. But now you can play the UHF CAP on the Android. New popup animation.”
This MTools Tec update shows active UHF CAP development. The linked post includes a video preview of the Android popup animation. Chad Wittman shared it with the comment, “That’s going to be sick.”
Technical overview
Core hardware specifications for integration and software development.
| Supported hosts | Cardputer Zero / Cardputer ADV; compatible Windows and Android devices via USB-C |
|---|---|
| Working frequency | 840–960 MHz |
| Air interface | EPCglobal UHF Class 1 Gen 2 / ISO 18000-6C / GB/T 29768-2013 |
| Communication | TTL UART and USB-C |
| Default baud rate | 115200 bps, configurable |
| Typical workflows | Inventory, tag inspection and supported memory operations with compatible software |
Product status: Hardware and Cardputer ADV installation photos shown here are current. Software features may evolve through app and firmware updates.
For authorized RFID development
This expansion is intended for inventory management, interoperability testing, education and security research on tags and systems you own or are authorized to assess. Follow local radio regulations and access-control policies.








Reviews
There are no reviews yet