| Parameters | 
                                                                                                            
                                            | Memory Size | 128kB Flash 32kB RAM | 
                                                                            
                                            | Power - Output | 19.5dBm | 
                                                                            
                                            | RF Family/Standard | General ISM > 1GHZ | 
                                                                            
                                            | 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 | 
                                                                            
                                            | GPIO | 31 | 
                                                                            
                                            | Height Seated (Max) | 0.9mm | 
                                                                            
                                            | Length | 7mm | 
                                                                            
                                            | Width | 7mm | 
                                                                            
                                            | RoHS Status | RoHS Compliant | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 48-VFQFN Exposed Pad | 
                                                                            
                                            | Surface Mount | YES | 
                                                                            
                                            | Operating Temperature | -40°C~85°C | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | Published | 2016 | 
                                                                            
                                            | Series | Flex Gecko | 
                                                                            
                                            | Pbfree Code | yes | 
                                                                            
                                            | Part Status | Discontinued | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 2 (1 Year) | 
                                                                            
                                            | Number of Terminations | 48 | 
                                                                            
                                            | Type | TxRx + MCU | 
                                                                            
                                            | HTS Code | 8542.39.00.01 | 
                                                                            
                                            | Voltage - Supply | 1.85V~3.8V | 
                                                                            
                                            | Terminal Position | QUAD | 
                                                                            
                                            | Terminal Form | NO LEAD | 
                                                                            
                                            | Number of Functions | 1 | 
                                                                            
                                            | Supply Voltage | 3.3V | 
                                                                            
                                            | Terminal Pitch | 0.5mm | 
                                                                            
                                            | Reach Compliance Code | unknown | 
                                                                            
                                            | Frequency | 2.4GHz | 
                                                                            
                                            | JESD-30 Code | S-XQCC-N48 | 
                                                                            
                                            | Interface | I2C, UART, USART | 
                                                                                                    
                            
                         
                                                EFR32FG1P132F128GM48-B0R Overview
Additionally, there is a 48-VFQFN Exposed Pad package for saving space.The RF transceiver's mounting method adopted is Surface Mount.With transceiver RF's  high efficiency, transceiver RF emerges as a TxRx + MCU.High reliability is achieved using advanced transceiver RF' packaging Tape & Reel (TR).Located in the well-known Flex Gecko series product line, this RF transceiver is a kind of this series.Frequency 2.4GHz is the basis of operation.
EFR32FG1P132F128GM48-B0R Features
48-VFQFN Exposed Pad package
Surface Mount for mounting
TxRx + MCU 
 Tape & Reel (TR) is used
Flex Gecko series
EFR32FG1P132F128GM48-B0R Applications
There are a lot of Silicon Labs EFR32FG1P132F128GM48-B0R RF Transceiver ICs applications. 
- Industrial Controls
- Health care
- Industrial and Data Logger
- Low Noise Amplifier (LNA)
- Power management
- Utility and Smart Energy
- HVAC
- LoT applications
- Remote Control
- Consumer Electronics