| Parameters | 
                                                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 32-VFQFN Exposed Pad | 
                                                                            
                                            | Supplier Device Package | 32-QFN (5x5) | 
                                                                            
                                            | 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 | 16 | 
                                                                            
                                            | GPIO | 16 | 
                                                                            
                                            | RoHS Status | RoHS Compliant | 
                                                                                                    
                            
                         
                                                EFR32BG1B232F128GM32-B0R Overview
The 32-VFQFN Exposed Pad package saves space on the board. To mount, RF transceiver uses Surface Mount.It emerges as a TxRx + MCU with transceiver RF's  high efficiency.High reliability is provided by the advanced transceiver RF' packaging Tape & Reel (TR).RF transceivers from the well-known EFR32? Blue Gecko series product line are featured in this RF transceiver.The frequency of 2.4GHz is used as the basis for RF transceivers operation.
EFR32BG1B232F128GM32-B0R Features
32-VFQFN Exposed Pad package
Surface Mount for mounting
TxRx + MCU 
 Tape & Reel (TR) is used
EFR32? Blue Gecko series
EFR32BG1B232F128GM32-B0R Applications
There are a lot of Silicon Labs EFR32BG1B232F128GM32-B0R RF Transceiver ICs applications. 
- Automotive
- Utility and Smart Energy
- Retail
- Industrial and Data Logger
- Patient Asset Tracking
- Chemical Sensors
- Home and Security
- Consumer Electronics
- HVAC
- Remote Device Management