Z-Wave modules (Silicon Labs ZGM130S, Sigma UZB) operate at 868/908/916 MHz with sub-GHz long range and mesh networking for smart home door locks, thermostats, and sensors with UART host interface.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | VCC | Supply 3.3V or 3.6V | PWR |
| 2 | GND | Ground | GND |
| 3 | TXD | UART transmit | BUS |
| 4 | RXD | UART receive | BUS |
| 5 | INT | Interrupt output | I/O |
| 6 | RESET | Module reset | I/O |
| 7 | ANT | Sub-GHz antenna | BUS |