| Part Number | EFR32FG1P132F64GM48-C0R | EFR32FG1P131F64GM48-C0R | 
|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs | 
| Category | RF Transceiver ICs | RF Transceiver ICs | 
| 
                             | 
                                                        
                             | 
                                                    |
| Product Status | Active | Active | 
| Type | TxRx + MCU | TxRx + MCU | 
| RF Family/Standard | - | 802.15.4 | 
| Protocol | Flex Gecko | Flex Gecko | 
| Modulation | 2FSK, 4FSK, GFSK, GMSK, OQPSK | 2FSK, 4FSK, ASK, BPSK, DBPSK, DSSS, GFSK, GMSK, OOK, O-QPSK | 
| Frequency | 2.4GHz | 169MHz ~ 915MHz | 
| Data Rate (Max) | 2Mbps | 1Mbps | 
| Power - Output | 19.5dBm | 20dBm | 
| Sensitivity | -99dBm | -94dBm | 
| Memory Size | 64kB Flash, 16kB RAM | 64kB Flash, 16kB RAM | 
| Serial Interfaces | I²C, I²S, SPI, UART | I²C, I²S, SPI, UART, USART | 
| GPIO | 31 | 32 | 
| Voltage - Supply | 1.85V ~ 3.8V | 1.85V ~ 3.8V | 
| Current - Receiving | 8.7mA | 8.7mA | 
| Current - Transmitting | 8.2mA ~ 126.7mA | 8.2mA | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 48-VFQFN Exposed Pad | 48-VFQFN Exposed Pad | 
| Supplier Device Package | 48-QFN (7x7) | 48-QFN (7x7) |