12.4 mm Round RFID Tag - Parallax

12.4 mm Round RFID Tag is one of the smallest form factors we carry, designed specifically for harsh environments.

Maxmoral 10pcs Black Plastic ID 125KHz RFID Writable Rewritable T5577 Key Fob Tag for RFID Writer : Electronics

M1 RFID Tag (13.56MHz) – The Engineer Store

RFID Reader ID-12LA (125 kHz) - SEN-11827 - SparkFun Electronics

Metal Mount Bar RFID Tags - 148 KHz

Model Railroad Engine Controller (PropActivityBoardWX, DualMC33926, Smoke, 18vDCC, WebPageControl,) — Parallax Forums

Round, white, anti-metal NFC tags with NTAG424 DNA chip, for application on metal surfaces. Support AES-128 encryption and SUN message.

On-metal Round NFC Tags NTAG424 DNA ø29mm

On-metal Round NFC Tags NTAG424 DNA ø29mm - Shop NFC

Parallax RFID Tag 125KHz - RobotShop

Parallax Donated $532.69 Of Memorial Day Sales To Veterans Matter - Parallax

URSI General Assembly 2008 - URSI-France

Everything You Need to Know About RFID Tags – A blog to share some knowledge

What Are RFID Tags and How Are They Used?

New RAIN RFID Tag Chip Package for Industry 4.0

Radio-frequency identification - Wikipedia

Ultra-Small UHF RFID Tag Rain - 10 Pack - KIT-16464 - SparkFun