ESP8266 WiFi Expansion Board TCP UDP Protocol IEEE 802.11b g n WiFi Standard ESP8266 Wifi Module for Raspberry Pi

Feature: 1. TCP UDP Protocol: Controlled via using the UART AT command, supports TCP UDP communication. 2. Standard Header: This ESP8266 WiFi expansion board has standard RasPi Pico header, UART communication and AT command control. 3. Three Modes: This ESP8266 WiFi expansion board supports STA, AP, and STA+AP three WiFi operating modes. Supports TCP UDP communication. 4. Stable Connection: This ESP8266 WiFi expansion board features enhanced impedance matching, more powerful signal and more stable connection. 5. Function Button: This ESP8266 WiFi expansion board has two functional buttons, convenient for user to update AT firmware through RasPi Pico. Specification: Item Type: ESP8266 WiFi Expansion Board Material: Printed Circuit Board Communication Interface: UART Baud Rate of the Serial Port: 115200 bps Wifi Standard: IEEE 802.11b g n Frequency Range: 2400 2483.5 MHz Wifi Working Mode: WiFi STA, WiFi AP, WiFi STA+AP Antenna: Onboard Printed Circuit Board Antenna Operating Voltage: 3.3V Operating Temperature: 40 celsius 85 celsius Product Size: Approx. 58 x 25mm 22.83 x 9.84in ( Manual Measurement, Slight Error May Exist ). Package List: 1 x ESP8266 WiFi Expansion Board