In 1940, Austrian-born Hedy Lamarr, considered one of the sexiest actresses of her time, was also a co-inventor of frequency hopping. She, along with George Antheil, an American composer ...

A wireless modulation method that rapidly changes the center frequency of a transmission. See spread spectrum and 802.11. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires ...

Cutting-edge glass-break detection technology delivers near-zero false alarm rate Acoustic pattern recognition technology provides 360° coverage Maximum detection range for plate, tempered, laminated, ...