Abstract: This letter proposes a simple and efficient method to design a low-profile ultrawideband spiral antenna. To achieve ultrawide impedance bandwidth, localized postwall technique is presented ...

Train Wi-Fi does not come from satellites directly to passengers’ phones. Instead, trains are fitted with special routers and antennas on the roof. Trending Photos With more people relying on the ...

Hayati Pro Max Plus 6000 flavours cover every taste bud. Choose from 10 options like Blueberry Sour Raspberry for tangy fruit bursts or Watermelon Ice for cool refreshment. Menthol lovers grab Triple ...