I understand that your cable box does not have the same ports as your Slingbox M2. Yes, you can purchase an HDMI-to-component adapter that will work. This adapter you can find and purchase from our website slingbox.com or you can also find it at your local electronic store, Walmart, Best Buy, etc. Below is a link with further information on the HDMI-to-component adapter from our website:
Sling Media Support Team!