Arduino WiFi Shield V2 Arduino, Itaeduino, Iteaduino Mega compatible Uses a RAK410 802.11b/g/n chipset Real-time clock for time-stamping, auto-sleep, and auto-wakeup modes Secure Wi-Fi authentication schemes (WEP, WPA/WPA2-PSK) Built-in networking applications: DHCP client, DNS client, ARP, ICMP ping, FTP, TELNET, HTTP, UDP, TCP