Bluetooth modules - Silicon Laboratories
| Manufacturer | SILICON LABS |
| Communications module | Bluetooth |
| Symbol | Bluetooth version | Transm. power | Rec. sensit. | Supply voltage |
|---|---|---|---|---|
| [dBm] | [dBm] | [V DC] | ||
| WT12-A-HCI21 | 2.1 EDR | 3 | -83 | 1.8...3.6 |
| Symbol | Interface | Firmware | Features |
|---|---|---|---|
| WT12-A-HCI21 | GPIO; PCM; SPI; UART; USB | HCI | antenna |
