ESP8266MOD Datasheet PDF – Wi-Fi Module – Espressif

Part Number: ESP8266, ESP8266EX

Function: Wi-Fi Module

Manufacturer: Espressif Inc


The ESP8266MOD integrates antenna switches, RF balun, power amplifier, low noise receive amplifier, filters and power management modules. The compact design minimizes the PCB size and requires minimal external circuitries. This module is widely used in various IoT (Internet of Things) applications due to its low cost, low power consumption, and built-in Wi-Fi connectivity capabilities. It’s popular among hobbyists, makers, and professionals alike for its versatility and ease of use.


ESP8266MOD datasheet pinout

Developers can program the ESP8266 module using various programming languages and frameworks such as Arduino IDE, MicroPython, Lua, and others, making it suitable for a wide range of projects with different requirements and skill levels.


1. 802.11 b/g/n/e/i support.

2. Wi-Fi Direct (P2P) support.

3. P2P Discovery, P2P GO (Group Owner) mode, GC(Group Client) mode and P2P Power Management.

4. Infrastructure BSS Station mode / P2P mode / SoftAP mode support.

5. Hardware accelerators for CCMP (CBC-MAC, counter mode), TKIP (MIC, RC4), WAPI (SMS4), WEP (RC4), CRC.

6. WPA/WPA2 PSK, and WPS driver.

7. Additional 802.11i security features such as pre-authentication


1. Home appliances

2. Home automation

3. Smart plugs and lights

4. Industrial wireless control

5. Baby monitors

6. IP cameras

7. Sensor networks

8. Wearable electronics

9. Wi-Fi location-aware devices

10. Security ID tags

1.1 Wi-Fi position system beacons

Reference Site:

ESP8266MOD Datasheet PDF


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