RFID Detector / Diagnostic Card FOFEK 24V-380V 40Amp DA Solid State Relay Module 3V - 5V DC Output

3V - 5V DC Output Type Digital (High/Low) with onboard comparator Onboard Comparator IC LM393 (or equivalent) Slot Width ~5mm (gap for object interruption) Detection Object Opaque objects passing through the slot Response Time Fast (microsecond-level switching) Output Indicator Onboard LED for visual status feedback Sensitivity Adjustment Onboard potentiometer for threshold tuning Interface Pins VCC

For chain-drive configurations

For thermal analysis

effectively rendering the card unreadable to skimming devices

For queries or bulk orders

RFID Detector / Diagnostic Card FOFEK 24V-380V 40Amp DA Solid State Relay Module 3V - 5V DC OutputRFID Detector Diagnostic Card An RFID Detector Diagnostic Card is a specialized testing tool designed to identify, diagnose, and verify RFID tag presence and functionality across 125 kHz low frequency and 13. 56 MHz high frequency bands. Professional security experts, access control technicians, and embedded systems engineers use this card to troubleshoot RFID system installations, verify tag encoding, and detect unauthorized RFID signals in secure