1921 2 May 26/7 (advt.) Via RCA means routed through the trans-oceanic system of the Radio Corporation of America.
1957 26 Jan. 56/2 The American school has not yet, so far as I know, made use of the RCA Electronic Music Synthesizer.
2003 J. Dawson & S. Propes iii. 19 The format was also going to be included in many of RCA's upcoming radio and television consoles.