Tiny RFID Field Detection Card – Proxgrind Frequency Tester Keychain for IC/ID Access Control & Reader Testing

Whether you're a pentester, a hardware hacker, or just RFID-curious, this Tiny Frequency Detection Card from Piswords packs a surprising punch. Designed to fit right on your keychain or phone as a pendant, this pocket-sized gadget is your go-to tool for detecting RFID fields on the fly—no batteries required, no nonsense included.

🛰️ What It Does:

• Instant Frequency Detection: Quickly detect Low Frequency (125KHz) and High Frequency (13.56MHz) RFID fields. An LED lights up to show you which frequency is present—so simple, even your coffee can’t compete.

• No Batteries Needed: Yup, you read that right. This sleek little device is powered by the RFID field itself. That means zero maintenance and unlimited field checks, wherever you go.

• Pentest-Ready: Scouting access control readers? Testing for unauthorized readers in your environment? This is your stealthy new sidekick.

• Developer-Friendly: Debug your RFID hardware or firmware in seconds. Keep it handy for labs, testing benches, or field deployments.

📏 Key Features:

• 🔑 Keychain/Pendant Design – Clip it to your keys or mobile phone for RFID awareness on the go

• 🚪 RFID Field Detector for IC & ID Access Control Systems

• ⚡ Passive Operation – Needs no external power or batteries

• 🔄 Dual Frequency Detection – 125KHz & 13.56MHz support

• 🔬 Perfect for Security Research, RFID Development, or Access Testing

🧲 Ideal For:

• Ethical Hackers & Penetration Testers

• RFID System Developers

• Smart Home Integrators

• Tech Enthusiasts & Tinkerers

• Students in IoT or Embedded Systems

From tech labs to keychains, this Proxgrind RFID Field Detector is proof that great things really do come in small, signal-sensitive packages. 🧩🧲