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| Manufacturer | Silicon Labs |
| Packaging | Tray |
| Series | Blue Gecko |
| Part Status | Active |
| Type | TxRx + MCU |
| RF Family/Standard | Bluetooth |
| Protocol | Bluetooth v4.0 |
| Modulation | 2-FSK, 4-FSK, ASK, BPSK, DBPSK, DSSS, GFSK, GMSK, O-QPSK |
| Frequency | 2.4GHz |
| Data Rate (Max) | 2Mbps |
| Power - Output | 10dBm |
| Sensitivity | -102dBm |
| Memory Size | 1024kB Flash, 256kB RAM |
| Serial Interfaces | I²C, I²S, SPI, UART |
| GPIO | 65 |
| Voltage - Supply | 1.8 V ~ 3.8 V |
| Current - Receiving | 8mA ~ 10.8mA |
| Current - Transmitting | 8.2mA ~ 126.7mA |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 125-VFBGA |
| Standard Package | 260 |
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