When used with the Dishpro Plus 44 Switch, or Dishpro Plus Twin this product will allow you to run a Duel Tuner Receiver such as a 322, 522, 721 or 921 with a single Coaxial Cable.

DO NOT ORDER THIS PART IF YOU DO NOT HAVE A DISH PRO PLUS 44 SWITCH.  IT WILL NOT WORK WITH A STANDARD DISH PRO TWIN LNB.

Click on the link below the purchase a Dish Pro Plus 44 Switch...
http://www.dishstore.net/product_info.php?cPath=40&products_id=160