An RFID 125kHz Card Reader is a device designed to read data stored in RFID tags operating at the 125kHz frequency range. These readers are widely used for various applications such as access control, attendance tracking, payment systems, and inventory management.
Key Features of 125kHz RFID Card Readers:
- Frequency: Operates at the 125kHz low frequency range.
- Read Range: Typically between a few centimeters to about 10 cm, depending on the reader and tag design.
- Compatibility: Supports standard RFID tags/cards like EM4100, EM4200, or equivalent.
- Interface:
- USB, RS232, Wiegand, or TTL for connection with other systems.
- Some models support wireless interfaces like Bluetooth.
- Power Supply: Low power consumption, often powered via USB or a separate power adapter.
- Applications: Used for low-speed applications and scenarios where long-range is not required.
How It Works:
- RFID 125Khz Card Reader emits a low-frequency electromagnetic field.
- When an RFID tag or card enters this field, it receives power and transmits its stored data back to the reader.
- The reader decodes this data and sends it to a connected system for processing.
Applications:
- Access Control Systems: In buildings, offices, or restricted areas.
- Time and Attendance Systems: For employee tracking.
- Loyalty and Membership Programs: Tracking customer activity in retail or fitness centers.
- Asset Tracking: Monitoring items in warehouses or libraries.
Advantages:
- Effective in settings where metallic or liquid interference is present, outperforming higher-frequency tags such as those operating at 13.56MHz in these situations.
- Cost effective and simple to implement.
- Lower power requirements.
- HID Proximity Readers
- RFID Card Readers
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