Abstract: In this article, a single-layer, low-profile, and broadband shared-aperture composite metasurface is proposed. It consists of a Ka-band reflectarray and an X-band phased-array antenna with ...

Looking for the perfect gift for the railfan or modeler in your life? Check out the Trains.com Holiday Gift Guide 2025 and ...

Here’s a look at six wireless IoT development kits that enhance multiprotocol design, from BLE and Zigbee to LoRa and Thread.