Description
Technical Specifications
| Antenna | Built-in |
| Interface | I 2 C |
| Frequency | 13.56 MHz |
| Work Current | < 45 mA |
| Power Down Current | < 10 uA |
| Power Supply | 2.7 V to 3.6 V |
| Operating Distance | 1.96 in (0.16 ft) |
| Protocol | ISO 14443 A |
| Operating Temperature | -13 °F to 131 °F (-25 ℃ to 55 ℃) |
| Storage Temperature | -40 °F to 185 °F (-40 ℃ to 85 ℃) |
| Dimension | 1.49 in x 1.49 in x 0.12 in (38 mm x 38 mm x 3 mm) |
| Weight | 7.05 oz (200 g) |