SAI UPB Power Line Adapter    $69.95

This Simply Automated module enables HAL to transmit UPB commands over your home's existing power lines to control devices including lights, appliances, thermostats, and other devices.  This adapter connects to the serial port on the computer on which HAL is installed (cable included).  This product is included in the purchase of some HAL products.  The SAI UPB Power Line Adapter works with any HAL product.