| Part number: | EFR32BG1B132F128GM32-B0 | 
| Description: | IC RF TXRX+MCU BLUETOOTH 32VFQFN | 
| Manufacturer | Silicon Labs | 
| Encapsulation | Tray | 
| Quantity | 260 | 
| RoHS | 1 | 
| TYPE | DESCRIPTION | 
| Mfr | "Silicon Labs" | 
| Package / Case | 32-VFQFN Exposed Pad | 
| Sensitivity | -99.2dBm | 
| Mounting Type | Surface Mount | 
| Frequency | 2.4GHz | 
| Memory Size | 128kB Flash, 32kB RAM | 
| Type | TxRx + MCU | 
| Operating Temperature | -40°C ~ 85°C | 
| Voltage - Supply | 1.85V ~ 3.8V | 
| Power - Output | 3dBm | 
| Protocol | Bluetooth v4.0 | 
| Current - Receiving | 8.7mA | 
| Data Rate (Max) | 2Mbps | 
| Current - Transmitting | 8.8mA ~ 133mA | 
| Supplier Device Package | 32-QFN (5x5) | 
| GPIO | 16 | 
| Modulation | 2FSK, 4FSK, DSSS, GFSK, GMSK, MSK, O-QPSK | 
| RF Family/Standard | Bluetooth | 
| Serial Interfaces | I2C, UART, USART | 
| DigiKey Programmable | Not Verified |