Modul ESP8266 ESP-12 Wifi Module ESP12 ESP-12E 802.11 b / g / n Module 24mm x 16mm On-board PCB Trace Antenna
Wi-Fi Direct (P2P), soft-AP Built-in TCP / IP protocol stack with DNS support Built-in balun, LNA, power amplifier and matching network Built-in PLL, voltage regulator and power management components