| Parameters | 
                                
                                                                                                            
                                            | Current - Transmitting | 
                                            5.2mA~12.7mA | 
                                        
                                                                            
                                            | Modulation | 
                                            GFSK | 
                                        
                                                                            
                                            | GPIO | 
                                            72 | 
                                        
                                                                            
                                            | Factory Lead Time | 
                                            12 Weeks | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            100-UFBGA, WLCSP | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~105°C TA | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1 (Unlimited) | 
                                        
                                                                            
                                            | Type | 
                                            TxRx + MCU | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            1.71V~3.6V | 
                                        
                                                                            
                                            | Reach Compliance Code | 
                                            compliant | 
                                        
                                                                            
                                            | Frequency | 
                                            2.402GHz~2.48GHz | 
                                        
                                                                            
                                            | Memory Size | 
                                            1MB Flash 256kB SRAM | 
                                        
                                                                            
                                            | Protocol | 
                                            Bluetooth v5.0, Thread, Zigbee® | 
                                        
                                                                            
                                            | Power - Output | 
                                            6dBm | 
                                        
                                                                            
                                            | RF Family/Standard | 
                                            802.15.4, Bluetooth | 
                                        
                                                                            
                                            | Sensitivity | 
                                            -100dBm | 
                                        
                                                                            
                                            | Data Rate (Max) | 
                                            2Mbps | 
                                        
                                                                            
                                            | Serial Interfaces | 
                                            I2C, SPI, UART, USART, USB | 
                                        
                                                                            
                                            | Current - Receiving | 
                                            4.5mA~7.9mA | 
                                        
                                                                                                    
                            
                         
                                                STM32WB55VCY7TR Overview
In order to save board space, the 100-UFBGA, WLCSP package RF transceiver IC is used. Surface Mount is used to mount the RF transceiver's mounting.With transceiver RF's  high efficiency, transceiver RF emerges as a TxRx + MCU.A frequency of 2.402GHz~2.48GHz is used as the basis for operation.
STM32WB55VCY7TR Features
100-UFBGA, WLCSP package
Surface Mount for mounting
TxRx + MCU 
STM32WB55VCY7TR Applications
There are a lot of STMicroelectronics STM32WB55VCY7TR RF Transceiver ICs applications. 
- Patient Asset Tracking
 - Power Amplifier (PA)
 - Internet Radio
 - Automotive
 - Fitness
 - Digital Remote
 - Utility and Smart Energy
 - Internet of Things (IoT)
 - Wireless Price Tags
 - Health care