It should be noted that every power that's ever tried a sea denial strategy ultimately failed and lost whatever war they were fighting.
-That strategy seemed to work fairly well for union forces during the civil war
The reason that it is built this way is because there are two separate circuit board that are enclosed inside; one for the "red" side and another for the "black" side.
There is a very stringent certification process that takes place for communication equipment certified at the TS level; namely that it must, in every conceivable situation, fail safe.
Theres also some fun anti-tampering features that are built into the secteras...
Irregardless, it would be rather nice to be able to put music videos or other movies on a tiny disc that you could watch just about anywhere.