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.
Roku is a clear leader here, and both the Roku 3 and the Streaming Stick have access to over 1,200 channels. They also have a useful universal search function that makes it easier to quickly find the shows or movies you want.