Specification: Features:_x000D_1. Brand New ESP-12E Wifi Module._x000D_2. ESP8266-12E is an enhanced version ESP8266-12, improve peripheral circuitry increases impedance matching._x000D_3. The signal output is better, whether its stability or anti-jamming capability, have been greatly improved._x000D_4. This enhanced version is fully compatible with previous firmware._x000D_5. Added six IO ports on the basis of the ESP-12, for SPI leads._x000D__x000D_Specifications:_x000D_Model: ESP-12E ESP8266_x000D_ISM: 2.4GHZ_x000D_PA: +25dBm_x000D_802.11 b/g/n_x000D__x000D_Package List:_x000D_1 * Wifi Module Features: 1Brand New ESP-12E Wifi Module. 2ESP8266-12E is an enhanced version ESP8266-12, improve peripheral circuitry increases impedance matching. 3The signal output is better, whether its stability or anti-jamming capability, have been greatly improved. 4This enhanced version is fully compatible with previous firmware. 5Added six IO ports on the basis of the ESP-12, for SPI leads. PackageList: