| Production Data | 2017/Q4 | 
                                    
                    | Key Feature | Low Power
SDK Support
SmartLink Config
Lowest Price | 
                                    
                    | Processor | Cortex-M4
SOC | 
                                    
                    | Basic Frequency | 160MHz | 
                                    
                    | Operating System | mbed | 
                                    
                    | Wi-Fi  Standard | 802.11bgn | 
                                    
                    | Certification | FCC/CE/SRRC/RoHS/IC/REACH | 
                                    
                    | Temp. Range | -40℃- 125℃ | 
                                    
                    | Internal Antenna | √ | 
                                    
                    | I-PEX Connector | √ | 
                                    
                    | Size (mm) | 22×13.5×3 | 
                                    
                    | Package Type | SMT18 | 
                                    
                    | Work Voltage | 2.9~4.2V | 
                                    
                    | Current @No data | ~25mA | 
                                    
                    | Current @Tx Peak | ~260mA | 
                                    
                    | Resource-Flash | 1MB/2MB/4MB | 
                                    
                    | Resource-RAM | 352KB /384KB/448KB | 
                                    
                    | Interface-UART | 2 | 
                                    
                    | Interface-PWM | 5 | 
                                    
                    | Interface-SPI | 1 | 
                                    
                    | Interface-GPIO | √ | 
                                    
                    | Interface-A/D | √ | 
                                    
                    | AP Mode | √ | 
                                    
                    | STA Mode | √ | 
                                    
                    | AP+STA Mode | √ | 
                                    
                    | WPS Function | √ | 
                                    
                    | Web Server | √ | 
                                    
                    | OTA Upgrade | √ | 
                                    
                    | Smart Configure SmartLink V7.X APP | √ | 
                                    
                    | Airkiss Configure | √ | 
                                    
                    | SDK Support | √ |