| Part Number | EFR32FG12P432F1024GM48-BR | EFR32FG12P232F1024GM48-BR | 
|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs | 
| Category | RF Transceiver ICs | RF Transceiver ICs | 
|   |   | |
| Product Status | Discontinued at Digi-Key | Discontinued at Digi-Key | 
| Type | TxRx + MCU | TxRx + MCU | 
| RF Family/Standard | - | - | 
| Protocol | - | - | 
| Modulation | 2FSK, 4FSK, ASK, BPSK, DBPSK, DSSS, GMSK, MSK, OOK, OQPSK | 2FSK, 4FSK, ASK, BPSK, DBPSK, DSSS, GMSK, MSK, OOK, OQPSK | 
| Frequency | 2.4GHz | 2.4GHz | 
| Data Rate (Max) | 2Mbps | 2Mbps | 
| Power - Output | 19dBm | 19dBm | 
| Sensitivity | -102dBm | -102dBm | 
| Memory Size | 1024kB Flash, 256kB RAM | 1024kB Flash, 128kB RAM | 
| Serial Interfaces | I²C, I²S, SPI, UART | I²C, I²S, SPI, UART | 
| GPIO | 31 | 31 | 
| Voltage - Supply | 1.8V ~ 3.8V | 1.8V ~ 3.8V | 
| Current - Receiving | 8mA ~ 10.8mA | 8mA ~ 10.8mA | 
| Current - Transmitting | 8.2mA ~ 126.7mA | 8.2mA ~ 126.7mA | 
| 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) |