| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            12 Weeks | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            Module | 
                                        
                                                                            
                                            | Surface Mount | 
                                            NO | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3 (168 Hours) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            33 | 
                                        
                                                                            
                                            | HTS Code | 
                                            8542.39.00.01 | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            2.1V~3.6V | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Terminal Form | 
                                            NO LEAD | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            3V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            1.27mm | 
                                        
                                                                            
                                            | Frequency | 
                                            2.4GHz | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            R-XDMA-N33 | 
                                        
                                                                            
                                            | Memory Size | 
                                            192kB Flash 12kB RAM | 
                                        
                                                                            
                                            | Data Rate | 
                                            250kbps | 
                                        
                                                                            
                                            | Utilized IC / Part | 
                                            EM357 | 
                                        
                                                                            
                                            | Protocol | 
                                            Zigbee® | 
                                        
                                                                            
                                            | Telecom IC Type | 
                                            TELECOM CIRCUIT | 
                                        
                                                                            
                                            | Power - Output | 
                                            20dBm | 
                                        
                                                                            
                                            | RF Family/Standard | 
                                            802.15.4 | 
                                        
                                                                            
                                            | Antenna Type | 
                                            Integrated, Chip | 
                                        
                                                                            
                                            | Sensitivity | 
                                            -106dBm | 
                                        
                                                                            
                                            | Current - Receiving | 
                                            33mA | 
                                        
                                                                            
                                            | Current - Transmitting | 
                                            140mA | 
                                        
                                                                            
                                            | Length | 
                                            25mm | 
                                        
                                                                            
                                            | Width | 
                                            19mm | 
                                        
                                                                            
                                            | REACH SVHC | 
                                            No SVHC | 
                                        
                                                                            
                                            | RoHS Status | 
                                            Non-RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                ETRX357-LRS Overview
In order to mount the RF Transceiver, Surface Mount is used.It uses the Tape & Reel (TR) package in order to optimize the performance of this RF Transceiver module.There are 33 terminations in this RF Transceiver module.The operating temperature should be kept at -40°C~85°C when the Transceiver is in operation.It is possible to supply 2.1V~3.6V volts to the RF Transceiver.2.4GHz Hz is the frequency at which the Transceiver  operates.
ETRX357-LRS Features
Surface Mount
Tape & Reel (TR) package
33 terminations
2.1V~3.6V volts
ETRX357-LRS Applications
There are a lot of Silicon Labs ETRX357-LRS RF Transceiver Modules applications. 
- Patient Asset Tracking
 - Receive
 - Industrial and Data Logger
 - Medical
 - Switch
 - Consumer Electronics
 - Health and Fitness
 - Power Amplifier (PA)
 - Transmit
 - Internet of Things (IoT)