The RBC antibody identification test is used to name the specific antibody or antibodies that are present to determine if they are likely to be clinically significant, i.e., if they are likely to cause a transfusion reaction.
Roku features several cable channels like FOX, A&E, History Channel (and dozens more) that offer a combination of free content, plus a full line-up of channel content you can access with your cable subscription credentials.
A Roku TV works with your cable service, or as an alternative. You can use your cable subscription to stream what you love on-demand through apps like HBO GO, Showtime Anytime, WatchESPN, and more. Or, use a RokuTV as an alternative to cable.