The CED7000 Chrome RF model includes wireless remote capability that allows the CED7000 Chrome timer to be connected (wireless) to a CED BigBoard or CED Time Keeper for displaying results up to 50 yards away from the linked timer. (BigBoard and Time Keeper Sold Seperately).
Big Book Catalog, Issue:69, Page:366
Big Book Catalog, Issue:70, Page:363
Big Book Catalog, Issue:71, Page:364
Big Book Catalog, Issue:72, Page:366
Big Book Catalog, Issue:73, Page:377