The RYRR10S antenna module is a 13.56-MHz RFID and Near Field Communication (NFC) system. Built-in programming options make the device suitable for a wide range of applications for proximity and vicinity identification systems.
| Pin | Name | I/O | Condition |
| 1 | VDD | P | Main power supply |
| 2 | RXD | I | UART Data Input |
| 3 | TXD | O | UART Data Output |
| 4 | GND | P | Ground |