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.
The Roku is a streaming media player, which means it takes content from the Internet and displays it on your TV. The Roku comes in six models, differentiated by performance and features. However, all models can access all 3500+ Roku channels. Here are some other features that are common to all the models: