RFID (radio-frequency identification) is the wireless non-contact use of radio-frequency electromagnetic fields, for the purposes of identifying and tracking tags attached to objects. This is the ID-12LA, a very simple to use RFID reader module from ID Innovations. With a built in antenna, the only holdup is the 2mm pin spacing. Power the module, hold up a 125kHz card, and get a serial string output containing the unique ID of the card. **Note:** The new ID-12LA is essentially the same as the ID-12, but has a lower voltage input. **Features:** * 2.8 - 5V supply * 125kHz read frequency * EM4001 64-bit RFID tag compatible * 9600bps TTL and RS232 output * Magnetic stripe emulation output * 120mm read range * 25x26mm **Documents:** * [Datasheet](http://cdn.sparkfun.com/datasheets/Sensors/ID/ID-2LA,%20ID-12LA,%20ID-20LA2013-4-10.pdf) * [mbed RFID Twitter project](http://mbed.org/blog/entry/Example-Internet-of-Things-RFID-Tweeter2/) * [mbed Example](http://mbed.org/cookbook/ID12-RFID-Reader) * [Hookup Guide](https://learn.sparkfun.com/tutorials/sparkfun-rfid-starter-kit-hookup-guide) **Videos**