| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            8 Weeks | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            68-VFQFN Exposed Pad | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Series | 
                                            Flex Gecko | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3 (168 Hours) | 
                                        
                                                                            
                                            | Type | 
                                            TxRx + MCU | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            1.8V~3.8V | 
                                        
                                                                            
                                            | Reach Compliance Code | 
                                            compliant | 
                                        
                                                                            
                                            | Frequency | 
                                            110MHz~191MHz 1.95MHz~358MHz 390MHz~574MHz 779MHz~956MHz | 
                                        
                                                                            
                                            | Memory Size | 
                                            1MB Flash 256kB RAM | 
                                        
                                                                            
                                            | Protocol | 
                                            Flex Gecko | 
                                        
                                                                            
                                            | Power - Output | 
                                            20dBm | 
                                        
                                                                            
                                            | Sensitivity | 
                                            -126.2dBm | 
                                        
                                                                            
                                            | Data Rate (Max) | 
                                            38.4kbps | 
                                        
                                                                            
                                            | Serial Interfaces | 
                                            I2C, I2S, IrDA, SPI, UART | 
                                        
                                                                            
                                            | Current - Receiving | 
                                            8.4mA~13mA | 
                                        
                                                                            
                                            | Current - Transmitting | 
                                            20.3mA~134.3mA | 
                                        
                                                                            
                                            | Modulation | 
                                            2GFSK, 4GFSK, ASK, DSSS, BPSK, DBPSK, GMSK, O-QPSK, OOK | 
                                        
                                                                            
                                            | GPIO | 
                                            46 | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                EFR32FG12P431F1024GM68-CR Overview
Board space is saved by RF transceiver IC's 68-VFQFN Exposed Pad package.The RF transceiver's mounting method is Surface Mount.With transceiver RF's  high reliability and efficiency, this emerges as a TxRx + MCU.The transceiver RF' packaging Tape & Reel (TR) provides high reliability.Located in the well-known Flex Gecko series product line, this RF transceiver is a kind of this series.On the basis of the frequency 110MHz~191MHz 1.95MHz~358MHz 390MHz~574MHz 779MHz~956MHz, RF transceiver operates .
EFR32FG12P431F1024GM68-CR Features
68-VFQFN Exposed Pad package
Surface Mount for mounting
TxRx + MCU 
 Tape & Reel (TR) is used
Flex Gecko series
EFR32FG12P431F1024GM68-CR Applications
There are a lot of Silicon Labs EFR32FG12P431F1024GM68-CR RF Transceiver ICs applications. 
- Health and Fitness
 - Chemical Sensors
 - Automotive
 - Power management
 - Thermostats
 - Power Amplifier (PA)
 - Switch
 -  
 - Security Systems
 - Smart Meters