Modul WiFi
This Wi-Fi module, which is based on the ESP8266, is compatible with every open source platform, such as Raspberry, Arduino, Banana Pi and CubieBoard, and is equipped with a range of useful functions.

Specifications
ESP8266 Wi-Fi module
Programmable Wi-Fi microcontroller
Communication and programming by means of UART and SPI interface
32-bit Xtensa LX106 processor core
Integrated Wi-Fi: IEEE 802.11b/g/n
Wi-Fi Direct (P2P), SoftAP
Integrated TCP/IP protocol stack
Includes built-in temperature sensor
Shutdown leakage current < 10 µA
Standby power consumption < 1.0 mW (DTIM3)
Wake-up time until first sent data packet < 2 ms
Max. range depending on environment: 100 - 250 m
Integrated PCB Wi-Fi antenna
Up to +19.5 mdBM wireless output power in 802.11b mode
Compatible with Raspberry Pi A, B, A+, B+, 2B, 3B, Arduino, Banana Pi, CubieBoard
Dimensions (W x H x D): 25 x 15 x 12 mm