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Comparing Cardo Packtalk and Sena communication systems

AT&T customers could receive up to $7,500 as part of a $177 million data breach settlement. Here's who qualifies. Dad sees ...
IEEE

Design of SIMO M-QAM System for Ultrasonic Communications on Shallow Waters

Abstract: In this work, we present a transmission system that uses single-carrier modulation M-ary symbols quadrature amplitude modulation (M-QAM) for underwater acoustic communications (UAC) in the ...