| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            8 Weeks | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            Module | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3 (168 Hours) | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            3V~3.6V | 
                                        
                                                                            
                                            | Data Rate | 
                                            3Mbps | 
                                        
                                                                            
                                            | Protocol | 
                                            Bluetooth v2.1 + EDR, Class 1 | 
                                        
                                                                            
                                            | Power - Output | 
                                            17dBm | 
                                        
                                                                            
                                            | RF Family/Standard | 
                                            Bluetooth | 
                                        
                                                                            
                                            | Antenna Type | 
                                            Integrated, Chip + U.FL | 
                                        
                                                                            
                                            | Sensitivity | 
                                            -88dBm | 
                                        
                                                                            
                                            | Serial Interfaces | 
                                            SPI, UART, USB | 
                                        
                                                                            
                                            | Current - Receiving | 
                                            36mA | 
                                        
                                                                            
                                            | Current - Transmitting | 
                                            88mA~138mA | 
                                        
                                                                                                    
                            
                         
                                                WT11U-A-AI4 Overview
In this case, RF Transceiver' mounting method is Surface Mount.Transceivers should be operated at -40°C~85°C temperature while operating.3V~3.6V voltage is available from the RF Transceiver.
WT11U-A-AI4 Features
Surface Mount
3V~3.6V volts
WT11U-A-AI4 Applications
There are a lot of Silicon Labs WT11U-A-AI4 RF Transceiver Modules applications. 
- Industrial and Data Logger
 - Health and Fitness
 - Location and Asset Tracking
 - Utility and Smart Energy
 - Medical
 - M2M Communication
 - Patient Asset Tracking
 - Transmit
 - Smart Meters
 - LED Lighting