Global Cache iTach, Wi-Fi to Serial (WF2SL) Connects up to 3 serial (RS232) devices to the Internet via WiFi Enables remote/automated monitoring and control for almost any serial device Works with PC software, iOS/Android control apps, and high-end control systems Based on open standards for easy integration into most 3rd-party systems Compact design, fits anywhere in your home (just over 3" long and 2" wide)