| Parameters | 
                                                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 48-VFQFN Exposed Pad | 
                                                                            
                                            | Supplier Device Package | 48-QFN (7x7) | 
                                                                            
                                            | Operating Temperature | -40°C~85°C | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | Published | 2016 | 
                                                                            
                                            | Series | EFR32™ Blue Gecko | 
                                                                            
                                            | Part Status | Discontinued | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 2 (1 Year) | 
                                                                            
                                            | Type | TxRx + MCU | 
                                                                            
                                            | Max Operating Temperature | 85°C | 
                                                                            
                                            | Min Operating Temperature | -40°C | 
                                                                            
                                            | Voltage - Supply | 1.85V~3.8V | 
                                                                            
                                            | Frequency | 2.4GHz | 
                                                                            
                                            | Interface | I2C, UART, USART | 
                                                                            
                                            | Memory Size | 128kB Flash 32kB RAM | 
                                                                            
                                            | Protocol | Bluetooth v4.0 | 
                                                                            
                                            | Power - Output | 10.5dBm | 
                                                                            
                                            | RF Family/Standard | Bluetooth | 
                                                                            
                                            | Sensitivity | -99.2dBm | 
                                                                            
                                            | Data Rate (Max) | 2Mbps | 
                                                                            
                                            | Serial Interfaces | I2C, UART, USART | 
                                                                            
                                            | Current - Receiving | 8.7mA | 
                                                                            
                                            | Current - Transmitting | 8.8mA~133mA | 
                                                                            
                                            | Modulation | 2FSK, 4FSK, DSSS, GFSK, GMSK, MSK, O-QPSK | 
                                                                            
                                            | Sensitivity (dBm) | -99.2 dBm | 
                                                                            
                                            | Number of GPIO | 31 | 
                                                                            
                                            | GPIO | 31 | 
                                                                            
                                            | RoHS Status | RoHS Compliant | 
                                                                                                    
                            
                         
                                                EFR32BG1B232F128GM48-B0R Overview
The 48-VFQFN Exposed Pad package saves space on the board. For RF transceiver's mounting, it uses the Surface Mount method.With transceiver RF's  high reliability and efficiency, this emerges as a TxRx + MCU.Advanced transceiver RF' packaging Tape & Reel (TR) is used to provide high reliability.As the name implies, this RF transceiver is a kind of the famous EFR32? Blue Gecko series product line.A frequency of 2.4GHz is used as the basis for operation.
EFR32BG1B232F128GM48-B0R Features
48-VFQFN Exposed Pad package
Surface Mount for mounting
TxRx + MCU 
 Tape & Reel (TR) is used
EFR32? Blue Gecko series
EFR32BG1B232F128GM48-B0R Applications
There are a lot of Silicon Labs EFR32BG1B232F128GM48-B0R RF Transceiver ICs applications. 
- Wireless Price Tags
- Internet of Things (IoT)
- HVAC
- Transmit
- Smart Meters
- Industrial and Data Logger
- Thermostats
- Location and Asset Tracking
- Chemical Sensors
- Remote Device Management