| Parameters | 
                                
                                                                                                            
                                            | Mount | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            20-VFQFN Exposed Pad | 
                                        
                                                                            
                                            | Number of Pins | 
                                            20 | 
                                        
                                                                            
                                            | Weight | 
                                            42.949528mg | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | Published | 
                                            2000 | 
                                        
                                                                            
                                            | Part Status | 
                                            Not For New Designs | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1  (Unlimited) | 
                                        
                                                                            
                                            | Type | 
                                            TxRx Only | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            1.8V~3.6V | 
                                        
                                                                            
                                            | Frequency | 
                                            240MHz~930MHz | 
                                        
                                                                            
                                            | Max Supply Current | 
                                            28mA | 
                                        
                                                                            
                                            | Power - Output | 
                                            20dBm Max | 
                                        
                                                                            
                                            | RF Family/Standard | 
                                            General ISM < 1GHz | 
                                        
                                                                            
                                            | Data Rate (Max) | 
                                            128kbps | 
                                        
                                                                            
                                            | Serial Interfaces | 
                                            SPI | 
                                        
                                                                            
                                            | Current - Receiving | 
                                            18.5mA | 
                                        
                                                                            
                                            | Current - Transmitting | 
                                            27mA~80mA | 
                                        
                                                                            
                                            | Number of Receivers | 
                                            2 | 
                                        
                                                                            
                                            | Modulation | 
                                            FSK, GFSK, OOK | 
                                        
                                                                            
                                            | Sensitivity (dBm) | 
                                            -118 dBm | 
                                        
                                                                            
                                            | Number of Transmitters | 
                                            1 | 
                                        
                                                                            
                                            | GPIO | 
                                            3 | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                SI4432-V2-FM Overview
Using RF transceiver IC's 20-VFQFN Exposed Pad package, it is possible to save board space. RF transceiver is mounted using Surface Mount.With transceiver RF's  high efficiency, it appears as a TxRx Only.Advanced transceiver RF' packaging Tube is used to provide high reliability.On this transceiver RF circuit board, there are 20 pins.Surface Mount is the one that mounts transceiver.240MHz~930MHz is the frequency in which RF transceiver operates .
SI4432-V2-FM Features
20-VFQFN Exposed Pad package
Surface Mount for mounting
TxRx Only 
 Tube is used
20 pins
SI4432-V2-FM Applications
There are a lot of Silicon Labs SI4432-V2-FM RF Transceiver ICs applications. 
-  
 - POS Terminals
 - HVAC
 - Chemical Sensors
 - Low Noise Amplifier (LNA)
 - Receive
 - Thermostats
 - Power Amplifier (PA)
 - Health care
 - Low-power IoT applications