| Parameters | 
                                
                                                                                                            
                                            | Mount | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            Module | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Bulk | 
                                        
                                                                            
                                            | Series | 
                                            FreeStar Pro | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3 (168 Hours) | 
                                        
                                                                            
                                            | Max Operating Temperature | 
                                            85°C | 
                                        
                                                                            
                                            | Min Operating Temperature | 
                                            -40°C | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            2.1V~3.6V | 
                                        
                                                                            
                                            | Frequency | 
                                            2.4GHz | 
                                        
                                                                            
                                            | Operating Supply Voltage | 
                                            3.6V | 
                                        
                                                                            
                                            | Interface | 
                                            SPI, UART | 
                                        
                                                                            
                                            | Memory Size | 
                                            128kB Flash 80kB ROM 96kB SRAM | 
                                        
                                                                            
                                            | Data Rate | 
                                            250kbps | 
                                        
                                                                            
                                            | Utilized IC / Part | 
                                            XE1205 | 
                                        
                                                                            
                                            | Protocol | 
                                            Zigbee® | 
                                        
                                                                            
                                            | Power - Output | 
                                            20dBm | 
                                        
                                                                            
                                            | RF Family/Standard | 
                                            802.15.4 | 
                                        
                                                                            
                                            | Antenna Type | 
                                            Integrated, Trace | 
                                        
                                                                            
                                            | Sensitivity | 
                                            -94dBm | 
                                        
                                                                            
                                            | Serial Interfaces | 
                                            I2C, SPI, UART | 
                                        
                                                                            
                                            | Current - Receiving | 
                                            30mA | 
                                        
                                                                            
                                            | Current - Transmitting | 
                                            193mA | 
                                        
                                                                            
                                            | Sensitivity (dBm) | 
                                            -94 dBm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                            
                                            | Lead Free | 
                                            Lead Free | 
                                        
                                                                                                    
                            
                         
                                                ZFSM-201-1-B Overview
For RF Transceiver' mounting, it uses the Surface Mount method.A Bulk package is used in this RF Transceiver module to optimize performance.Operating at -40°C~85°C is the recommended temperature for Transceiver's operation.As the name implies, this RF Transceiver Module belongs to the FreeStar Pro family.2.1V~3.6V voltage is available from the RF Transceiver.At 2.4GHz, the RF Transceiver Module operates.With the Surface Mount mounted, this Transceiver  is widely used in a wide range of applications.
ZFSM-201-1-B Features
Surface Mount
Bulk package
2.1V~3.6V volts
ZFSM-201-1-B Applications
There are a lot of CEL ZFSM-201-1-B RF Transceiver Modules applications. 
- Chemical Sensors
 - Remote Device Management
 - Power management
 - Power Amplifier (PA)
 - HVAC
 - Smart Meters
 - Health care
 - Low-power IoT applications
 - LED Lighting
 - Health and Fitness