| Series | EFR32™ Blue Gecko |
| Package | Tape & Reel (TR) |
| Part Status | Active |
| Type | TxRx + MCU |
| RF Family/Standard | Bluetooth |
| Protocol | Bluetooth v5.0 |
| Modulation | 2FSK, 4FSK, ASK, BPSK, DBPSK, DSSS, GFSK, GMSK, MSK, OOK, OQPSK |
| Frequency | 169MHz ~ 170MHz, 195MHz ~ 358MHz, 426MHz ~ 445MHz, 470MHz ~ 510MHz, 863MHz ~ 876MHz, 902MHz ~ 930MHz, 2.4GHz ~ 2.4835GHz |
| Data Rate (Max) | 2Mbps |
| Power - Output | 20dBm |
| Sensitivity | -103.3dBm |
| Memory Size | 512kB Flash, 64kB RAM |
| Serial Interfaces | I²C, I²S, SPI, IrDA, UART, USART |
| GPIO | 28 |
| Voltage - Supply | 1.8V ~ 3.8V |
| Current - Receiving | 8.4mA ~ 14mA |
| Current - Transmitting | 8.5mA ~ 134.3mA |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 48-VFQFN Exposed Pad |
| Supplier Device Package | 48-QFN (7x7) |
