Abstract: This paper introduces a compact spider-shaped monopole antenna tailored for tactical HF radio communication using Near Vertical Incidence Skywave (NVIS) propagation. The antenna structure is ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more Cable, satellite, and livestreaming services aren't cheap, and prices continue to rise every year. But pay ...

The Oppo A6 Pro is official, and it's one tough smartphone. Rated for IP66, IP68, and IP69, it can handle 8,000KPa of hot water pressure, can soak in 1.5 meters of water for half an hour, and can be ...

Using digital techniques has caused a resurgence of interest in VLF — very low frequency — radio. Thanks to software-defined radio, you no longer need huge coils. However, you still need a suitable ...

Apple introduced its iPhone 17 lineup today, and the new iPhone 17 Pro models include an interesting new design quirk that the company just got rid of with the iPhone 16 lineup: a glass cutout for 5G ...

BOISE, Idaho — Good news! We are changing the over-the-air signal that viewers use to receive KTVB with an antenna. KTVB recently installed a new transmitter and antenna on our tower, an investment ...

Final update, September 10, 2025, 11:04AM ET: Apple announced new iPhones, Apple Watch and AirPods models on September 9. The full rundown of new releases: the iPhone 17, iPhone Air and iPhone 17 Pro ...

Cellular signal boosters use big antennas to improve the coverage in your home or car. These are the top signal boosters for apartments, houses, and vehicles. I’m one of PCMag’s mobile analysts. That ...

Abstract: Pinching antenna systems (PASS) have been proposed as a revolutionary flexible antenna technology which facilitates line-of-sight links via numerous low-cost pinching antennas with ...

Third-party network cameras supported Up to 5 Megapixels resolution recording HDMI and VGA output at up to 1920×1080P resolution HDD quota and group management 4 SATA, 2 USB2.0 ...

Up to 32 network cameras can be connected Support live view, storage, and playback of the connected camera at up to 6 megapixels resolution Simultaneous HDMI and VGA at 1920 × 1080 resolution New GUI ...