1915 20 Feb. 1/6 The program called for President Wilson to send an electric spark through the air from Washington to be received on the radio-antennae switch on the exposition's tower of jewels.
1927 B. F. Dashiell v. 71 (heading) The use of radio antennas and grounds.
2006 (Nexis) 28 June 12 The cards, which contain a computer chip and a tiny radio antenna..do not require a PIN to be keyed in or a signature.