| Series | EFR32™ Blue Gecko |
| Package | Tray |
| Part Status | Discontinued at Digi-Key |
| Type | TxRx + MCU |
| RF Family/Standard | Bluetooth |
| Protocol | Bluetooth v4.0 |
| Modulation | 2FSK, 4FSK, DSSS, GFSK, GMSK, MSK, O-QPSK |
| Frequency | 2.4GHz |
| Data Rate (Max) | 2Mbps |
| Power - Output | 0dBm |
| Sensitivity | -99.2dBm |
| Memory Size | 128kB Flash, 16kB RAM |
| Serial Interfaces | I²C, UART, USART |
| GPIO | 16 |
| Voltage - Supply | 1.85V ~ 3.8V |
| Current - Receiving | 8.7mA |
| Current - Transmitting | 8.8mA ~ 133mA |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 32-VFQFN Exposed Pad |
| Supplier Device Package | 32-QFN (5x5) |
