| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            19 Weeks | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            48-VFQFN Exposed Pad | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Published | 
                                            2015 | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            yes | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3 (168 Hours) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            48 | 
                                        
                                                                            
                                            | Type | 
                                            TxRx + MCU | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            2.3V~4.3V | 
                                        
                                                                            
                                            | Terminal Position | 
                                            QUAD | 
                                        
                                                                            
                                            | Terminal Form | 
                                            NO LEAD | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            3V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.4mm | 
                                        
                                                                            
                                            | Frequency | 
                                            2.4GHz | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | Base Part Number | 
                                            ATSAMB11 | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            S-XQCC-N48 | 
                                        
                                                                            
                                            | Interface | 
                                            I2C, SPI, UART | 
                                        
                                                                            
                                            | Memory Size | 
                                            256kB Flash 128kB ROM 128kB RAM | 
                                        
                                                                            
                                            | Protocol | 
                                            Bluetooth v4.1 | 
                                        
                                                                            
                                            | Power - Output | 
                                            3.5dBm | 
                                        
                                                                            
                                            | RF Family/Standard | 
                                            Bluetooth | 
                                        
                                                                            
                                            | Serial Interfaces | 
                                            I2C, SPI, UART | 
                                        
                                                                            
                                            | Current - Receiving | 
                                            4.2mA | 
                                        
                                                                            
                                            | Current - Transmitting | 
                                            3mA | 
                                        
                                                                            
                                            | Sensitivity (dBm) | 
                                            -96 dBm | 
                                        
                                                                            
                                            | GPIO | 
                                            30 | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            1mm | 
                                        
                                                                            
                                            | Length | 
                                            6mm | 
                                        
                                                                            
                                            | Width | 
                                            6mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                            
                                            | Lead Free | 
                                            Lead Free | 
                                        
                                                                                                    
                            
                         
                                                ATSAMB11G18A-MU-T Overview
There is also a 48-VFQFN Exposed Pad package that RF transceiver IC is used to save space on the board. This RF transceiver's mounting method is Surface Mount.In this case, it emerges as a TxRx + MCU with transceiver RF's  a high efficiency.High reliability is achieved with advanced transceiver RF' packaging Tape & Reel (TR).Try searching for the transceiver with ATSAMB11 if you are looking for variants.The system operates at a frequency of 2.4GHz.
ATSAMB11G18A-MU-T Features
48-VFQFN Exposed Pad package
Surface Mount for mounting
TxRx + MCU 
 Tape & Reel (TR) is used
Use ATSAMB11
ATSAMB11G18A-MU-T Applications
There are a lot of Microchip Technology ATSAMB11G18A-MU-T RF Transceiver ICs applications. 
- POS Terminals
 - Utility and Smart Energy
 - LED Lighting
 -  
 - Automotive
 - Home and Security
 - Digital Remote
 - Industrial Controls
 - Power Amplifier (PA)
 - Security Systems