ITEM NAME:ESP8266 ESP-12E Remote Serial Port WIFI Transceiver Description: ESP8266-12E is the enhanced version of ESP8266-12, perfect peripheral circuit, enhance the impedance matching, better signal output , both stability and anti-interference ability have been greatly improved Specification: Model: ESP-12E ISM 2.4Ghz PA +25dBm 802.11/b/g/n Size: Approx.25*15*10mm Package Includes: 1x ESP8266 WIFI ESP-12E Module SKU: DMO0011843351000060.1x ESP8266 WIFI ESP-12E Module. ESP8266-12E is the enhanced version of ESP8266-12, perfect peripheral circuit, enhance the impedance matching, better signal output, both stability and anti-interference ability have been greatly improved.