[Mr. Carlson] bought a Globe Scout Model 40A ham radio transmitter at a hamfest. The 40A was a grand old transmitter full of tubes, high voltage, and a giant transformer. It is really interesting to ...

SOUTHWICK, Mass.—Hitachi Kokusai Electric Comark has announced that the WGBH has upgraded it VHF Band 1 Parallax liquid cooled DTV transmitter for up to 47.8kW of power. Comark supplied the Parallax ...

Our Hackaday team is spread across the world, but remains in easy contact through the magic of the Internet. A number of us hold amateur radio callsigns, so could with a bit of effort and expenditure ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The 47-year-old ...

There was a time when we only had one type of earphone, and it was wired. Now, thanks to the expansion of Bluetooth technology, the days of untangling cords are over. It’s mostly been a pleasant ...

View post: I Tested the 2026 Kia EV9 GT-Line Long Range AWD by Putting My Toddlers in One. Here’s How it Went Autoblog may receive a share from purchases made via links on this page. Pricing and ...

This tiny dual Bluetooth-transmitter accepts signals from your legacy gear and also serves as a USB audio interface, so you can transmit from your computer. It sounds great and has about a 30-foot ...

Bothell, Wash.-based Tethers Unlimited says it’s delivered the first flight unit of a K-band radio transmitter that’s designed for use on CubeSat satellites as small as a loaf of bread. The SWIFT-KTX ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Adrienne Maxwell Adrienne ...

To further advance wireless communication systems, electronics engineers have been trying to develop new electronic circuits that operate in the microwave frequency range (1–300 GHz), while also ...

JBL brought its third-gen JBL Tour One M3 noise-canceling wireless headphones to CES 2025, and it looks like the cans will ...