1. Latest version esp-01s,comparing to ESP-01, ESP-01S will provide you stronger antenna singnal;
  2. ESP8266 can be widely used in smart grids, intelligent transportation, smart furniture, handheld devices, industrial control and other fields
  3. Applications: Home automation, sensor networks, industrial wireless control
  4. Model: Esp-01S. Compatible with Arduino. Support 3 modes: AP, STA, AP + STA.
  5. PUYA chips; 1MB Flash Memory. upgraded from 512KB,Integrated WEP, TKIP, AES, and WAPI engines. 802.11 b/g/n;