Wifi 2.4GHz Shield Expansion Board RN-171 Module for Arduino

Features:
Compatible with Arduino, Seeeduino, Arduino Mega and Seeeduino Mega.
Host Data Rate up to 1Mbps for UART, 2Mbps over SPI slave.
UART serial port of RN171 on the Shield can be connected to Arduino by jumpers.
SPI pin of RN171 is just breakout.
With two Grove connectors, making it easy to connect I2C and digital IO Grove modules to Arduino.
Secure WiFi authentication WEP-128, WPA-PSK (TKIP), WPA2-PSK (AES).
Built-in networking applications: DHCP client, DNS client, ARP, ICMP ping, FTP, TELNET, HTTP, UDP, TCP.

Specifications:
Working voltage: 3.3 ~ 5.5V
Working current: 25 ~ 400mA
Transmission power: 0 ~ 10dBm
Frequency: 2402 ~ 2480MHz
Channel: 0 ~ 13
Network rate: 1~11mbps for 802.11b, 6~54mbps for 802.11g
Secure WiFi authentication: WEP-128, WPA-PSK (TKIP), WPA2-PSK (AES)
Built-in networking applications: DHCP client, DNS client, ARP, ICMP ping, FTP, TELNET, HTTP, UDP, TCP.
C1856