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| Part Number | EFR32FG12P433F1024GM68-CR | 
| Description | IC RF TXRXMCU 68VFQFN | 
| Manufacturer | Silicon Labs | 
| Series | Flex Gecko | 
| Part Status | Active | 
| Type | TxRx + MCU | 
| RF Family/Standard | - | 
| Protocol | Flex Gecko | 
| Modulation | 2GFSK, 4GFSK, ASK, DSSS, BPSK, DBPSK, GMSK, O-QPSK, OOK | 
| Frequency | 110MHz ~ 191MHz, 1.95MHz ~ 358MHz, 390MHz ~ 574MHz, 779MHz ~ 956MHz | 
| Data Rate (Max) | 38.4kbps | 
| Power - Output | 20dBm | 
| Sensitivity | -126.2dBm | 
| Memory Size | 1MB Flash, 256kB RAM | 
| Serial Interfaces | I²C, I²S, IrDA, SPI, UART | 
| GPIO | 46 | 
| Voltage - Supply | 1.8V ~ 3.8V | 
| Current - Receiving | 8.4mA ~ 13mA | 
| Current - Transmitting | 20.3mA ~ 134.3mA | 
| Operating Temperature | -40°C ~ 85°C | 
| Package / Case | 68-VFQFN Exposed Pad |