Radio-frequency identification (RFID) is the wireless non-contact use of radio-frequency electromagnetic fields to transfer data, for the purposes of automatically identifying and tracking tags attached to objects. The tags contain electronically stored information. This EM-18 RFID Reader is a Tiny, simple-to-use RFID reader module. With a built-in antenna, the only holdup is the 2mm pin spacing. Power the module, hold up a card and get a serial string output containing the unique ID of the card. It has TTL output.
Specifications:
Specifications:
- Operating Voltage: 5V DC Supply
- Reading Distance: 6-10 cm.
- Read frequency: 125 kHz.
- EM4001 64–bit RFID tag compatible.
- 9600bps ASCII output.
- Current : <50 mA
- Operating Frequency: 125 kHz
- Read Distance: 5 cm
- Compatible Tags: 125KHz EM4100 Tags
- Size: 32x32x8mm
Datasheet