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| Part Number | EFR32FG23A021F512GM40-B | EFR32FG23A021F512GM40-BR | EFR32FG23A011F512GM40-B | EFR32FG23A020F512GM40-B |
|---|---|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Product Status | Active | Active | Active | Active |
| Type | TxRx + MCU | TxRx + MCU | TxRx + MCU | TxRx + MCU |
| RF Family/Standard | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz |
| Protocol | Flex Gecko | Flex Gecko | Flex Gecko | Flex Gecko |
| Modulation | 2FSK, 4FSK, DSSS, GFSK, GMSK, OOK, OQPSK | 2FSK, 4FSK, DSSS, GFSK, GMSK, OOK, OQPSK | 2FSK, 4FSK, DSSS, GFSK, GMSK, OOK, OQPSK | 2FSK, 4FSK, DSSS, GFSK, GMSK, OOK, OQPSK |
| Frequency | 110MHz ~ 727MHz, 742MHz ~ 970MHz | 110MHz ~ 223MHz, 223MHz ~ 372MHz, 372MHz ~ 557MHz, 557MHz ~ 727MHz, 742MHz ~ 970MHz | 110MHz ~ 727MHz, 742MHz ~ 970MHz | 110MHz ~ 727MHz, 742MHz ~ 970MHz |
| Data Rate (Max) | 2Mbps | 2Mbps | 2Mbps | 2Mbps |
| Power - Output | 20dBm | 20dBm | 14dBm | 20dBm |
| Sensitivity | -125.8dBm | -125.8dBm | -125.8dBm | -125.8dBm |
| Memory Size | 512kB Flash, 64kB RAM | 512kB Flash, 64kB RAM | 512kB Flash, 64kB RAM | 512kB Flash, 64kB RAM |
| Serial Interfaces | I²C, I²S, SPI, UART | I²C, I²S, SPI, UART | I²C, I²S, SPI, UART | I²C, I²S, SPI, UART |
| GPIO | 22 | 22 | 22 | 23 |
| Voltage - Supply | 1.71V ~ 3.8V | 1.71V ~ 3.8V | 1.71V ~ 3.8V | 1.71V ~ 3.8V |
| Current - Receiving | 3.7mA ~ 9.5mA | 3.7mA ~ 9.5mA | 3.7mA ~ 9.5mA | 3.7mA ~ 9.5mA |
| Current - Transmitting | 8.2mA ~ 90.6mA | 8.2mA ~ 90.6mA | 8.2mA ~ 90.6mA | 8.2mA ~ 90.6mA |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 40-VFQFN Exposed Pad | 40-VFQFN Exposed Pad | 40-VFQFN Exposed Pad | 40-VFQFN Exposed Pad |
| Supplier Device Package | 40-QFN (5x5) | 40-QFN (5x5) | 40-QFN (5x5) | 40-QFN (5x5) |
