Abstract: This letter presents the design of a coplanar waveguide (CPW) circularly polarized antenna for the central frequency 900 MHz, it comes in handy for radio frequency identification (RFID) ...
Brown sunglasses (a) in brown plastic case (b) worn by Herman Wallace while incarcerated at Angola Prison. The sunglasses, which are brown tinted, are tied around the arms by string. The case (b) is a ...
Abstract: A simple structure circularly polarized (CP) UHF (ultrahigh frequency) RFID (radio frequency identification) reader antenna that operates within the universal RFID bands (840-960 MHz) is ...
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