| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            6 Weeks | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            48-VFQFN Exposed Pad | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tray | 
                                        
                                                                            
                                            | Series | 
                                            Blue Gecko | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            yes | 
                                        
                                                                            
                                            | Part Status | 
                                            Not For New Designs | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            2 (1 Year) | 
                                        
                                                                            
                                            | Type | 
                                            TxRx + MCU | 
                                        
                                                                            
                                            | HTS Code | 
                                            8542.39.00.01 | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            1.8V~3.8V | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | Reach Compliance Code | 
                                            compliant | 
                                        
                                                                            
                                            | Frequency | 
                                            2.4GHz | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | Memory Size | 
                                            1024kB Flash 128kB RAM | 
                                        
                                                                            
                                            | Protocol | 
                                            Bluetooth v4.0 | 
                                        
                                                                            
                                            | Power - Output | 
                                            10dBm | 
                                        
                                                                            
                                            | RF Family/Standard | 
                                            Bluetooth | 
                                        
                                                                            
                                            | Sensitivity | 
                                            -102dBm | 
                                        
                                                                            
                                            | Data Rate (Max) | 
                                            2Mbps | 
                                        
                                                                            
                                            | Serial Interfaces | 
                                            I2C, I2S, SPI, UART | 
                                        
                                                                            
                                            | Current - Receiving | 
                                            8mA~10.8mA | 
                                        
                                                                            
                                            | Current - Transmitting | 
                                            8.2mA~126.7mA | 
                                        
                                                                            
                                            | Modulation | 
                                            2-FSK, 4-FSK, ASK, BPSK, DBPSK, DSSS, GFSK, GMSK, O-QPSK | 
                                        
                                                                            
                                            | GPIO | 
                                            31 | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                EFR32BG12P232F1024GM48-B Overview
There is also a 48-VFQFN Exposed Pad package that RF transceiver IC is used to save space on the board. As a RF transceiver's mounting method, Surface Mount is used.It emerges as a TxRx + MCU with transceiver RF's  high efficiency.In order to provide high reliability, advanced transceiver RF' packaging Tray is used.The RF transceiver is a kind of the well-known Blue Gecko series of products.Frequency 2.4GHz is the basis of operation.
EFR32BG12P232F1024GM48-B Features
48-VFQFN Exposed Pad package
Surface Mount for mounting
TxRx + MCU 
 Tray is used
Blue Gecko series
EFR32BG12P232F1024GM48-B Applications
There are a lot of Silicon Labs EFR32BG12P232F1024GM48-B RF Transceiver ICs applications. 
- LED Lighting
 - Thermostats
 - Medical
 - Remote Control
 - Patient Asset Tracking
 - Digital Remote
 - Health and Fitness
 - Wireless Price Tags
 - Consumer Electronics
 - POS Terminals