| Image |   | 
                                          
                  | 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 | √ |