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USB RFID Reader — 125kHz EM4100/TK4100 & 13.56MHz S50/S70, Windows & Linux
USB RFID Reader 125kHz EM4100/TK4100 & 13.56MHz S50/S70, Windows & Linux
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$29.28 USD
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$29.28 USD
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USB RFID Reader — 125kHz EM4100 / TK4100 & 13.56MHz S50 / S70, Plug-and-Play
This dual-frequency USB RFID reader supports both 125kHz (EM4100, TK4100, HID Prox) and 13.56MHz (Mifare S50, S70, ISO 14443A) RFID card standards in a single compact device. It connects via USB and appears as a standard HID keyboard device — no drivers required on Windows, Linux, or macOS. When a card is presented, the reader outputs the card UID as keystrokes directly into any text field, making it instantly compatible with any software that accepts keyboard input.
Key Specifications
| Parameter | Value |
|---|---|
| Frequency | 125kHz and 13.56MHz (dual) |
| Supported Cards (125kHz) | EM4100, TK4100, HID Prox, EM4200 |
| Supported Cards (13.56MHz) | Mifare S50 (1K), S70 (4K), ISO 14443A |
| Interface | USB HID (keyboard emulation) |
| Driver Required | None (plug-and-play) |
| Output Format | Card UID as keyboard input (decimal or hex) |
| Read Range | 3–8cm (card dependent) |
| OS Compatibility | Windows XP/7/10/11, Linux, macOS |
| Power | USB 5V (bus powered) |
125kHz vs 13.56MHz RFID — Key Differences
| Feature | 125kHz (LF) | 13.56MHz (HF) |
|---|---|---|
| Common Cards | EM4100, TK4100, HID | Mifare S50, S70, NFC |
| Read Range | 3–8cm | 1–5cm |
| Data Storage | Read-only UID | Read/write memory |
| Security | Low (UID only) | Higher (encrypted sectors) |
| Typical Use | Access control, attendance | Payment, smart card, NFC |
Why Choose This USB RFID Reader?
- ✅ Dual frequency — reads both 125kHz and 13.56MHz cards without switching devices
- ✅ Plug-and-play HID — no driver installation, works on Windows, Linux, macOS instantly
- ✅ Keyboard emulation — outputs UID to any text field, compatible with any software
- ✅ USB bus powered — no external power supply needed
- ✅ Compact design — fits on any desk or embedded in kiosk panels
Typical Applications
- Employee attendance and time tracking system
- Door access control card reader
- Inventory management RFID scanning
- Arduino / Raspberry Pi RFID project (via USB serial)
- Library book and asset tracking
- RFID card UID reading and cloning research
Package Contents
- 1 × USB RFID Reader (125kHz + 13.56MHz dual frequency)
- 1 × USB cable
