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| Customization: | Available |
|---|---|
| Read-Write Method: | Non-Contact Type |
| Installation: | Internal (125) |
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| PIN | Signal | Direction | Description |
| J1_1 | VCC | PWR/I | DC3.3V power input |
| J1_2 | GND | G | Power ground |
| J1_3 | TXD | O | RXD TTL level serial port data output |
| J1_4 | RXD | I | NC |
| J1_5 | INT | I | NC |
| J1_6 | SOUT | O | Card status indication (high level: no card indication; low level: card indication) |
| J2_1 | TX2 | O | Antenna interface2 |
| J2_2 | TX1 | I | Antenna interface1 |