| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            6 Weeks | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            85-VFLGA Exposed Pad | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Published | 
                                            2000 | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3 (168 Hours) | 
                                        
                                                                            
                                            | Type | 
                                            TxRx + MCU | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            1.8V~3.8V | 
                                        
                                                                            
                                            | Frequency | 
                                            240MHz~960MHz | 
                                        
                                                                            
                                            | Interface | 
                                            I2C, SPI, UART | 
                                        
                                                                            
                                            | Memory Size | 
                                            128kB Flash 8.5kB RAM | 
                                        
                                                                            
                                            | RAM Size | 
                                            8.3kB | 
                                        
                                                                            
                                            | Memory Type | 
                                            FLASH | 
                                        
                                                                            
                                            | Data Bus Width | 
                                            8b | 
                                        
                                                                            
                                            | Number of Timers/Counters | 
                                            4 | 
                                        
                                                                            
                                            | Protocol | 
                                            EZRadioPro | 
                                        
                                                                            
                                            | Power - Output | 
                                            20dBm Max | 
                                        
                                                                            
                                            | RF Family/Standard | 
                                            General ISM < 1GHz | 
                                        
                                                                            
                                            | Data Rate (Max) | 
                                            256kbps | 
                                        
                                                                            
                                            | Number of ADC Channels | 
                                            16 | 
                                        
                                                                            
                                            | Serial Interfaces | 
                                            I2C, SPI, UART | 
                                        
                                                                            
                                            | Current - Receiving | 
                                            18.5mA | 
                                        
                                                                            
                                            | Current - Transmitting | 
                                            85mA | 
                                        
                                                                            
                                            | Modulation | 
                                            FSK, GFSK, OOK | 
                                        
                                                                            
                                            | Sensitivity (dBm) | 
                                            -121 dBm | 
                                        
                                                                            
                                            | GPIO | 
                                            53 | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                SI1020-B-GMR Overview
The 85-VFLGA Exposed Pad package saves space on the board. RF transceiver's mounting is done according to the Surface Mount method.In this case, the result is a TxRx + MCU with transceiver RF's  high efficiency.A high level of reliability is provided by using an advanced transceiver RF' packaging Tape & Reel (TR).Frequency 240MHz~960MHz is the basis of operation.
SI1020-B-GMR Features
85-VFLGA Exposed Pad package
Surface Mount for mounting
TxRx + MCU 
 Tape & Reel (TR) is used
SI1020-B-GMR Applications
There are a lot of Silicon Labs SI1020-B-GMR RF Transceiver ICs applications. 
- Health care
 - Power management
 - M2M Communication
 - Fitness
 - Wireless Price Tags
 - Home and Security
 - Patient Asset Tracking
 - Low Noise Amplifier (LNA)
 -  
 - Digital Remote