Abstract: A compact single-radiator microstrip patch antenna with highly integrated duplexing and filtering functions is proposed for dual-band dual-polarized (DBDP) base-station applications, and the ...
Abstract: A compact, dual-polarized multiband array is proposed and developed for 2G/3G/4G base station applications. The antenna is formed by two-element lower band array, five-element higher band ...
Former CIA director David Petraeus has traveled to Ukraine 10 times since Russia's invasion in 2022. During his most recent trip last week, he told CBS News that Russia "no longer has the upper hand." ...
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