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Wireless

Electronics

DARPA's latest grand challenge takes on the radio spectrum

One of the most hotly contested bits of real estate today is one you can't see. As we move into an increasingly wireless-connected world, staking out a piece of the crowded electromagnetic spectrum becomes more important. DARPA is hoping to help solve this issue with its latest Grand Challenge, which calls for the use of machine-learning technologies to enable devices to share bandwidth.Read More

Electronics

Wireless WeKast offers alternative solution to awkward laptop presentations

Whether presenter or presentee, many of us have sustained minutes of stinging silence as human and machine grapple to cooperate. Such is the cliche of pairing laptops with projectors for the purpose of narrating PowerPoint slides in a somewhat restless room. But a new, pocket-sized adapter may replace all those hassles with smart simplicity. The WeKast is designed to be plug and play, instantly casting presentations from a mobile device without the need of Wi-Fi, cables, or a laptop.Read More

Wearables

Wireless earphones put a microphone in your ear

Toward the end of last year, the first truly wireless earphones became available for consumers to buy and plug in. We were sent a pair of Earins to review and were impressed by both performance and build quality, though found them a little on the quiet side. Taking calls while using them was also a bit of a hassle, as they didn't feature a built-in microphone. The RippleBuds project supports hands-free calling with the inclusion of an in-ear microphone, while also promising increased play time.Read More

Electronics

Passive Wi-Fi more energy efficient than conventional Wi-Fi, ZigBee and Bluetooth LE

While it's become a necessity of modern life, Wi-Fi is also an energy hog, draining the batteries of all those connected devices surrounding us. That may change with the recent demonstration by University of Washington researchers of Wi-Fi transmissions generated using 10,000 times less power than conventional methods. Known as Passive Wi-Fi, the system also uses 1,000 times less power than current energy-efficient wireless communication platforms, like ZigBee and Bluetooth LE.Read More

Wearables

BearTek II gloves bring even more wireless device control

If you're trying to use your smartphone when it's cold outside, there are already gloves with touchscreen-friendly fingertips. The problem is, you still have to pull your phone out to use it. That's why Blue Infusion Technologies first introduced its BearTek gloves, the left one of which features Bluetooth and Wi-Fi modules for wireless control of a paired phone and/or GoPro camera. Now, the new-and-improved BearTek II is on its way, offering additional features.Read More

Music

Relay G10 billed as the easiest wireless guitar system ever

Wireless technology has been available for a good many years, but reliability, affordability and complexity issues mean that many players prefer to remain cabled to an amp. Line 6 is looking to solve such problems with the Relay G10, a plug and play system that's claimed as easy as using a cable and has enough battery life to survive the longest of noodlefests.Read More

Music Review

Review: Bowers & Wilkins Zeppelin Wireless speaker

In an age of wireless speakers dominated by singing soda cans and the occasional light show, the Zeppelin Wireless from British audio firm Bowers & Wilkins keeps the focus refreshingly on the task at hand. The latest in the Zeppelin line takes what was previously a muscle-bound iPod dock, upgrades it, and delivers a top-tier speaker that just happens to be wireless. Let's take a listen.Read More

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