Technical Specifications
| Antenna | Built-in |
| Interface | UART |
| Baud Rate | 9600 bits per second to 115200 bits per second |
| Frequency | 13.56 MHz |
| Current | < 50 mA |
| Power Supply | 2.5 V to 3.6 V |
| Operating Distance | 1.97 in (0.16 ft) |
| Protocol | ISO 14443 A, ISO 18092, NFCIP – 1 |
| Operating Temperature | -40 °F to 185 °F (-40 ℃ to 85 ℃) |
| Storage Temperature | -13 °F to 158 °F (-25 ℃ to 70 ℃) |
| Dimension | 1.81 in x 1.81 in x 0.12 in (46 mm x 46 mm x 3 mm) |
| Weight | 0.03 oz (1 g) |
