The fourth-generation Echo Show 8 has upgraded speakers for richer sound and a faster processor for more seamless and natural voice interactions with Alexa+, making it Amazon's best smart display for ...

Abstract: This paper presents a miniaturized helical antenna with a high permeability core. The proposed antenna functions at 3.35 GHz, with return loss of less than -10 dB and gain of 9.39 dBi. The ...

Abstract: A novel coupling cancellation path construction decoupling method based on the electric and magnetic coupling cancellation principle and an extremely low-profile multimode patch antenna pair ...