WT8266-S2 WiFi module is a low-power and cost-effective embedded wireless network control module developed by Qiming Cloud Technology. It can meet the needs of IoT applications such as smart grid, building automation, security, smart home, and telemedicine.

小eWiFi(WT8266-S2)V2.5.pdf 2018-09-10


WT8266-S2 WiFi module core processor ESP8266 integrates the industry-leading Tensilica L106 ultra-low-power 32-bit micro MCU in a small size package, with 16-bit lite mode, the main frequency supports 80 MHz and 160 MHz, and supports RTOS , Integrated Wi-Fi MAC/BB/RF/PA/LNA, with IPEX connector.

WT8266-S2 WiFi module supports standard IEEE802.11 b/g/n protocol, complete TCP/IP protocol stack. Users can use this module to add networking capabilities to existing equipment or to build stand-alone network controllers.


> Ultra-low power consumption for battery powered applications

> Ultra-small size module 18.6mm*15.0mm

> Excellent RF performance (strong anti-interference)

> IPEX Antenna Interface

> Industrial Modules

> Built-in CTP/IP protocol line, support multiple TCP Client connections

> Built-in 32-bit MCU, which can double as application processor

> Support AT remote upgrade and cloud OTA upgrade

> Support STA/AP/STA+AP working mode

> Support UART/GPIO data communication interface

> Support Smart Link intelligent networking function

> Support wireless 802.11 b/g/n standard

> The default AT command set is convenient for rapid product development


smart grid

building automation


smart home