| Parameters | 
                                
                                                                                                            
                                            | Mount | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            Module | 
                                        
                                                                            
                                            | Number of Pins | 
                                            49 | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -25°C~75°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3  (168 Hours) | 
                                        
                                                                            
                                            | Max Operating Temperature | 
                                            75°C | 
                                        
                                                                            
                                            | Min Operating Temperature | 
                                            -25°C | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            1.8V~3.6V | 
                                        
                                                                            
                                            | Frequency | 
                                            2.4GHz | 
                                        
                                                                            
                                            | Operating Supply Voltage | 
                                            3.6V | 
                                        
                                                                            
                                            | Interface | 
                                            I2C, SPI, UART | 
                                        
                                                                            
                                            | Memory Size | 
                                            256kB Flash 16kB RAM | 
                                        
                                                                            
                                            | Data Rate | 
                                            8Mbps | 
                                        
                                                                            
                                            | Utilized IC / Part | 
                                            nRF51822 | 
                                        
                                                                            
                                            | Protocol | 
                                            Bluetooth v4.0 | 
                                        
                                                                            
                                            | Power - Output | 
                                            4dBm | 
                                        
                                                                            
                                            | RF Family/Standard | 
                                            Bluetooth | 
                                        
                                                                            
                                            | Antenna Type | 
                                            Integrated, Chip | 
                                        
                                                                            
                                            | Sensitivity | 
                                            -91dBm | 
                                        
                                                                            
                                            | Serial Interfaces | 
                                            I2C, SPI, UART | 
                                        
                                                                            
                                            | Current - Receiving | 
                                            13mA | 
                                        
                                                                            
                                            | Current - Transmitting | 
                                            10.5mA~16mA | 
                                        
                                                                            
                                            | Sensitivity (dBm) | 
                                            -91 dBm | 
                                        
                                                                            
                                            | Radiation Hardening | 
                                            No | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                                                    
                            
                         
                                                EYSFCNZXX Overview
For RF Transceiver' mounting, it uses the Surface Mount method.optimized performance is achieved by utilizing the Tape & Reel (TR) package in this RF Transceiver module.The operating temperature should be kept at -25°C~75°C when the Transceiver is in operation.49 pins are used for high power RF Transceiver operation.It is possible for the RF Transceiver to supply voltages of 1.8V~3.6V.A 2.4GHz frequency is used by the RF Transceiver Module.This Transceiver  is widely used in a variety of applications with its Surface Mount mounting.
EYSFCNZXX Features
Surface Mount
Tape & Reel (TR) package
49 pins
1.8V~3.6V volts
EYSFCNZXX Applications
There are a lot of Taiyo Yuden EYSFCNZXX RF Transceiver Modules applications. 
- Location and Asset Tracking
 - Industrial Controls
 - Consumer Electronics
 - Digital Remote
 - Low Noise Amplifier (LNA)
 - Low-power IoT applications
 - Home and Security
 - LED Lighting
 - Receive
 - Security Systems