| Part Number | EFR32FG1V132F256GM48-C0 | EFR32FG1V132F256GM48-B0 | 
|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs | 
| Category | RF Transceiver ICs | RF Transceiver ICs | 
|   |   | |
| Product Status | Active | Discontinued at Digi-Key | 
| Type | TxRx + MCU | TxRx + MCU | 
| RF Family/Standard | - | General ISM > 1GHz | 
| Protocol | Flex Gecko | - | 
| Modulation | 2FSK, 4FSK, GFSK, GMSK, OQPSK | 2FSK, 4FSK, DSSS, GFSK, GMSK, MSK, O-QPSK | 
| Frequency | 2.4GHz | 2.4GHz | 
| Data Rate (Max) | 2Mbps | 2Mbps | 
| Power - Output | 16.5dBm | 16.5dBm | 
| Sensitivity | -99dBm | -99.2dBm | 
| Memory Size | 256kB Flash, 32kB RAM | 256kB Flash, 32kB RAM | 
| Serial Interfaces | I²C, I²S, SPI, UART | I²C, UART, USART | 
| GPIO | 31 | 31 | 
| Voltage - Supply | 1.85V ~ 3.8V | 1.85V ~ 3.8V | 
| Current - Receiving | 8.7mA | 8.7mA | 
| Current - Transmitting | 8.2mA ~ 126.7mA | 8.8mA ~ 133mA | 
| 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) |