Tiny Frequency Detection Card Proxgrind RFID Field Detector Keychain Mobile Phone Pendant IC ID

Introduction
The RFID Field Detector detects and displays the presence of Low Frequency 125KHz and High Frequency 1356MHz fields

Designed to be compact and discrete it fits neatly onto your keyring The RFID Field Detector is an indispensable tool

Pentesting Perform rapid access control reconnaissance

Development Debug your hardware firmware

The device requires no batteries When in the presence of an RFID field an LED indicates the frequency of the field