HKD RFID Key Fob 125KHz EM4100 Proximity Smart Tag - 5 Pack -Access Control

HKD RFID Key Fob 125KHz EM4100 - 5 Pack | Passive Proximity Smart Tags for Access Control & Arduino

Upgrade your access control, attendance, or automation project with these HKD 125KHz RFID Key Fobs - a pack of 5 durable EM4100-based proximity smart tags built for reliable, hassle-free identification.

Why choose these fobs? Each fob operates on the widely supported 125KHz frequency and uses the industry-standard EM4100 (ISO11785) read-only protocol - meaning zero tampering risk and consistent read performance across compatible readers and modules, including the popular RDM630.

No battery. No programming. Just scan. Fully passive design means no charging, no maintenance - just tap and go. Compact and lightweight enough to clip onto any keychain, these fobs come in assorted colours for easy user assignment.

Compatible with:

• 125KHz EM4100 card readers and RFID modules (RDM630 and equivalents)
• Arduino and DIY electronics projects
• Standard access control panels and time-attendance systems

Applications: Door entry access control | Time & attendance tracking | Contactless identification | Smart home / office automation | Secure token authentication

Specifications:

• Frequency: 125KHz
• Chip: EM4100 | Standard: ISO11785
• Function: Read-only (identification & authentication)
• Power: Passive (no battery required)
• Form factor: Durable plastic key fob, assorted colours
• Pack contents: 5 × RFID Key Fobs

What's in the box
5 x HKD RFID Key Fob 125KHz EM4100 Proximity Smart Tag