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Description
- Frequency: 125KHz
- Power supply: DC 5V (±5%)
- Maximum effective distance: up to 50mm
- Includes external antenna
The Seeedstudio 125KHz RFID Module - UART is designed for reading code from a 125KHz compatible card with read-only tags and read/write card. It can be applied in office security, home security, personal identification, access control, anti-forgery, interactive toy and production control systems, etc. This Seeedstudio 125KHz RFID Module - UART supports external antenna which is included. The maximum effective distance is up to 150mm.
Features:
- Supports external antenna
- Maximum effective distance up to 150mm
- Less than 100ms decoding time
- UART TTL interface
- Support EM4100 compatible read only or read/write tags
- Built-in external bi-color LED and buzzer driver
- Small outline design
Note: The module will notify whenever 125khz tag approaches, tag serial number will be send via TX pin. This is an easy way for a RFID module on MCU projects or PC connection via UartSB.
- One external antenna
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