A Yagi–Uda directional antenna — the work horse of radiofrequency communications for more than 60 years — has now been demonstrated at visible wavelengths. An array of appropriately tuned ...

The radiating characterization of the CRPA has been performed with a SATIMO SG24 system. With such a system, we have measured the complete 3D radiation patterns of each single element in less than 40 ...

A passive antenna takes one signal from the power amplifier (PA) ... (10.7 GHz to 14.75 GHz) or even the Ka-band (17.2 GHz to 30 GHz) with a single element, ...

Posted: Feb 13, 2007: Optical antenna with a single carbon nanotube (Nanowerk Spotlight) For several years now, researchers have documented the many intriguing mechanical and electrical properties of ...

Colorado Springs, Colo. — As a first step in its ambitions to offer beam-forming adaptive antenna arrays for networks such as WiMax and Wi-Fi meshes, TenXc Wireless Inc. will launch a passive antenna ...

[Shenzhen, China, February 22, 2018] In the run up to the Mobile World Congress (MWC) 2018, Huawei has announced its new "1+1 antenna modernization" concept, published a definition for 5G passive ...

In the 1950s, atomic clocks revolutionized precision time-keeping. Now we may be on the verge of so-called "atomic radio," thanks to the development of a new type of antenna capable of receiving ...

Expanded VHF coverage improves weak signal detection, making the antenna well-suited for mobile interference hunting, emitter tracking, and close-range monitoring. The ADD507 features active and ...

The impact of passive antennas on 5G network performance is substantial. According to the Ericsson-ABI Research article, a mere 11 per cent improvement in beam efficiency can yield an 18 per cent ...

Sennheiser has introduced a passive wideband wireless antenna, the A5000 CP. Designed for both transmitting and receiving RF signals across the 450MHz to 960MHz portion of the UHF spectrum, the A5000 ...