The Global Cache iTach is a family of products designed to connect almost any electrical device to a network in a matter of minutes. Based on open systems and industry standards, the ultra-compact device fits almost anywhere (even the palm of your hand). Wireless connection to IR. The innovative design of the Global Cache iTach allows for easy and flexible integration into any networked control solution. The iTach is a simple wired conduit between you and your device over a network or the Internet. This is instant network-enabling at its best, delivering the power of choice at a cost-effective price.