Posts Tagged ‘Wireless’

New Logitech Wireless Touchpad Lets You Point, Scroll and Swipe with Ease

September 13th, 2011

Today Logitech (six:LOGN) LOGI -0.42% unveiled the Logitech(R) Wireless Touchpad, making it easy to point, scroll and swipe your way to wherever you go on the Web — and beyond.

With multi-touch navigation and intuitive, gesture-based controls, the Logitech(R) Wireless Touchpad lets you navigate your computer naturally. The large touch surface gives you plenty of room to let your fingertips do the clicking. And since there are no cords, there’s no clutter and no hassles. Just put the touchpad anywhere on your desk or tabletop, insert the plug-and-forget Logitech(R) Unifying receiver into your computer’s USB port and let the fun begin. Plus, the receiver stays in your computer and enables you to easily connect up to five other compatible devices.

“The Logitech Wireless Touchpad is perfect for people who want to surf the Web in a more fun and natural way,” said Rory Dooley, Logitech’s senior vice president and general manager of the Control Devices business unit. “It lets Web surfers flick through websites and effortlessly scan long pages — making browsing easier than ever.”

The Logitech(R) Wireless Touchpad’s multi-touch navigation offers up to four-finger gestures and swipes to scroll pages, jump tabs and switch applications. Advanced 2.4 GHz wireless virtually eliminates delays, dropouts and interference. And you can easily stay powered up — with up to four months of battery life and an LED indicator light that tells you when the touchpad is on and your batteries are running low.

Pricing and Availability

The Logitech Wireless Touchpad is expected to be available in the U.S. and Europe beginning in September 2011, for a suggested retail price of $49.99.

Source:http://www.marketwatch.com/story/new-logitech-wireless-touchpad-lets-you-point-scroll-and-swipe-with-ease-2011-09-13

Rice demonstrates full-duplex wireless technology

September 7th, 2011

Rice University researchers today announced they have successfully demonstrated full-duplex wireless technology that would allow a doubling of network traffic without the need for more cell towers.

Ahutosh Sabharwal, a Rice professor of electrical and computer engineering, said the innovative full-duplex technology requires a minimal amount of new hardware for both mobile devices and networks.

However, he added that full-duplex technology does require new wireless standards, meaning it might not be available for several years as carriers move to 5G, or Fifth Generation, networks, he added.

Today, the largest national carriers in the U.S., AT&T and Verizon Wireless, are in the early stages of rolling 4G networks on LTE (Long Term Evolution) technology, while Sprint has a more fully developed 4G network running over WiMax.

Full-duplex technology would allow a cell phone or other wireless device to transmit data and receive data on the same frequency; today’s networks require separate frequencies to send and receive.

In effect, therefore, full-duplex technology could double a network’s capacity.

Rice reported that its innovation has attracted interest from wireless companies globally, noting that carriers are universally concerned about having enough spectrum to support the continuing explosion of wireless devices and their increasingly complex applications, such as video.

One of AT&T’s arguments in wanting to purchase T-Mobile USA for $39 billion is to gain access to more wireless spectrum.

Asked on Tuesday to comment on the full-duplex technology demonstrated at Rice, an AT&T spokesman said the carrier would need to study the innovation before commenting on it.

Sabharwal and his colleagues, Melissa Duarte and Chris Dick, first wrote in 2010 that full-duplex was possible, and this summer Sabharwal and other colleagues showed a full-duplex signal with 10 times better reliability and throughput than any other touted by researchers, Rice officials said.

Sabharwal said Rice has also been able to show it can add full-duplex as an additional mode to existing hardware, such as smartphones, where space is limited. That means that a smartphone maker would not need to add new hardware to support full-duplex.

Rice’s new technology was able to repurpose MIMO (Multiple Input, Multiple Output) antenna technology, which is already fairly widely used.

MIMO uses multiple antennas and the Rice team was able to send two signals in a way that they cancel each other out, allowing a clear signal to go through over the single frequency.

Cancellation of signals had been proposed in theory for full duplex networks a while ago, Sabharwal said, but it took time to figure out a way to implement the idea at low cost without sophisticated new hardware.

In addition to full-duplex technology, Rice has created a Wireless Open-Access Research Platform (WARP) with open source software that provides a space for researches from other organizations to innovate freely and examine full-duplex innovations.

Also, Sabharwal’s team has demonstrated it can provide full-duplex in asynchronous mode, which means that one wireless node can start receiving a signal at the same time it is transmitting, instead of waiting to finish the transmission.

Source:http://www.computerworld.com/s/article/9219752/Rice_demonstrates_full_duplex_wireless_technology

Rice demonstrates full-duplex wireless technology

September 7th, 2011

Rice University researchers today announced they have successfully demonstrated full-duplex wireless technology that would allow a doubling of network traffic without the need for more cell towers.

Ahutosh Sabharwal, a Rice professor of electrical and computer engineering, said the innovative full-duplex technology requires a minimal amount of new hardware for both mobile devices and networks.

However, he added that full-duplex technology does require new wireless standards, meaning it might not be available for several years as carriers move to 5G, or Fifth Generation, networks, he added.

Today, the largest national carriers in the U.S., AT&T and Verizon Wireless, are in the early stages of rolling 4G networks on LTE (Long Term Evolution) technology, while Sprint has a more fully developed 4G network running over WiMax.

Full-duplex technology would allow a cell phone or other wireless device to transmit data and receive data on the same frequency; today’s networks require separate frequencies to send and receive.

In effect, therefore, full-duplex technology could double a network’s capacity.

Rice reported that its innovation has attracted interest from wireless companies globally, noting that carriers are universally concerned about having enough spectrum to support the continuing explosion of wireless devices and their increasingly complex applications, such as video.

One of AT&T’s arguments in wanting to purchase T-Mobile USA for $39 billion is to gain access to more wireless spectrum.

Asked on Tuesday to comment on the full-duplex technology demonstrated at Rice, an AT&T spokesman said the carrier would need to study the innovation before commenting on it.

Sabharwal and his colleagues, Melissa Duarte and Chris Dick, first wrote in 2010 that full-duplex was possible, and this summer Sabharwal and other colleagues showed a full-duplex signal with 10 times better reliability and throughput than any other touted by researchers, Rice officials said.

Sabharwal said Rice has also been able to show it can add full-duplex as an additional mode to existing hardware, such as smartphones, where space is limited. That means that a smartphone maker would not need to add new hardware to support full-duplex.

Rice’s new technology was able to repurpose MIMO (Multiple Input, Multiple Output) antenna technology, which is already fairly widely used.

MIMO uses multiple antennas and the Rice team was able to send two signals in a way that they cancel each other out, allowing a clear signal to go through over the single frequency.

Cancellation of signals had been proposed in theory for full duplex networks a while ago, Sabharwal said, but it took time to figure out a way to implement the idea at low cost without sophisticated new hardware.

In addition to full-duplex technology, Rice has created a Wireless Open-Access Research Platform (WARP) with open source software that provides a space for researches from other organizations to innovate freely and examine full-duplex innovations.

Also, Sabharwal’s team has demonstrated it can provide full-duplex in asynchronous mode, which means that one wireless node can start receiving a signal at the same time it is transmitting, instead of waiting to finish the transmission.

Source:http://www.computerworld.com/s/article/9219752/Rice_demonstrates_full_duplex_wireless_technology

Logitech unveils wireless keyboard K270 in India

June 10th, 2011

The computer peripherals provider Logitech has released a new wireless keyboard for Indian market called the Logitech Wireless Keyboard K270. The Logitech Wireless Keyboard K270 comes with sleek design which is cool for comfortable typing. It has full-size keys, num pad and a wide, curved space. The keyboard also offers 8 hot keys for instant access to the Internet, your favorite website, e-mail, play/pause, volume etc.

This new Logitech Wireless Keyboard K270 offers the tiny Logitech Unifying receiver which is small enough to stay in your laptop. You can easily add another compatible mouse without hassle of multiple USB receivers. Subrotah Biswas, the country manager of Logitech for India and South West Asia commented, “The Logitech Wireless Keyboard K270 combines some of our most requested features, with the comfort and familiarity of a full size layout. From our tiny Unifying receiver to the convenient media keys, the Logitech Wireless Keyboard K270 is a great choice.”

The Logitech Wireless Keyboard K270 provides up to 24 months of battery life and auto-standby feature which helps to save energy while keyboard is not used. The new device includes Logitech Advanced 2.4 GHz wireless connectivity. With this Logitech Advanced 2.4 GHz wireless connectivity, the keyboard can work from up to 10 meter distance from its receiver without any signal loss.

The Logitech Wireless Keyboard K270 will be available in India for a retail price of Rs 1,295. It comes with a 3 years limited hardware warranty.

Source:http://techknowbits.com/1764/logitech-unveils-wireless-keyboard-k270-in-india

Wireless networking company Buffalo launches new portable storage offering

May 18th, 2011

MiniStation Plus works with nearly any PC or Mac

Buffalo Technology, a wired and wireless networking and storage offerings provider, has launched new MiniStation Plus USB 3.0 portable storage offering.

The new storage offering comes in a compact and lightweight shock proof chassis. With USB 3.0 support and backward compatibility with USB 2.0, the MiniStation Plus works with nearly any PC or Mac, while providing interface speeds up to 5Gbps.

The new offering can be plugged into any available USB port on computer and instantly add capacity or store files.

In addition, with 256-bit AES hardware encryption, user can protect data from unwanted access by simply assigning a password.

Also included with MiniStation Plus is Buffalo’s multipurpose Buffalo Tools utility suite designed to enhance Windows PC performance and user experience, including TurboPC for 3X faster transfers, said the company.

The new MiniStation Plus will be available from June 2011 and will be backed by a limited one-year warranty.

Source:http://storage.cbronline.com/news/buffalo-launches-new-portable-storage-offering-170511

Logitech Solar Wireless Keyboard K750 (Review)

April 13th, 2011

Wireless keyboards might be all the rage, but just about every model has one major flaw: running out of power. Having to look for a pair of freshly charged batteries while trying to meet a deadline or hand in a term paper is not fun. While some manufacturers have created rechargeable solutions, having to plug-in with cables is still a hassle for some users. Fortunately, the eco-friendly Logitech Solar Wireless Keyboard (K750) comes to the rescue with a simple solution. Assuming that there is a decent amount of sunlight or artificial light, this keyboard claims to keep on going.

Configuration

I love plug-and-play, period. Once I pushed the tiny USB receiver into my Windows 7 laptop, the keyboard began working within a few seconds. I hate installing third-party software even if from a trusted source and I was glad to find that even function keys for launching the default web browser, email client, system search, and calculator work right out of the box. There are also function key shortcuts for launching the default media player and controlling playback. Volume adjustments and the mute key work perfectly as well. A power button can put your computer to sleep instantly.

I also plugged the keyboard into an iMac running Mac OS X and getting setup was just as simple: doing nothing. The Windows key turns into an Apple key, but you will have to ignore the physical logo on the hardware. All the bonus extra functions also work, which was a pleasant surprise. I launched Safari with a single click, skipped songs in iTunes, and controlled volume with no issues. The power key even brings up a list of options to restart, shut down, or make the computer sleep. This keyboard even worked on my Google Chrome Notebook with no trouble.

The Logitech Unifying Receiver technology is also a wonderful feature and deserves some recognition. As a Logitech Anywhere MX user, I already had one of these plugged into my laptop’s USB port. It took me about 5 minutes to grab a little app from the company’s website and pair my new solar keyboard with the existing USB unifying receiver. I soon freed up an extra USB port, making room for other gadgets. This universal technology works with most recent Logitech products.

Design

The Logitech Solar Wireless Keyboard is quite thin. Although it is probably not as robust as the aluminum build on Apple keyboards, the plastic body is fairly strong. The backside is entirely white with edges that carry over to the front. The keys have a smooth matte black finish, but the entire front side features a glossy coat. This unfortunately makes a keyboard a fingerprint magnet and Logitech even includes a cleaning cloth in the packaging.

While the keyboard does look quite fancy, especially with retro solar panels at the top, it can become quite nasty with no maintenance. For those wondering, this keyboard is about 17 inches wide, which is about the average length for desktop sized solution. Keep in mind it has a keypad on the side as well. It also extends about 6 inches long with at least an inch reserved for the solar panels at the top.

Comfort

Unlike most full sized keyboards, this one sports flat keys. It feels like typing on a Sony VAIO or an Apple MacBook. As someone who prefers this style, I found myself typing faster than ever. I took less than a few minutes to get used to the new layout, which is a major plus. There are no oddly shaped or misplaced keys. The buttons have a decent tactile click and require just the right amount of push. There is no ergonomic curvature or special layout which other Logitech keyboards feature.

This solar-powered model does not have a back-lit feature like the Logitech Illuminated Keyboard for obvious power conserving reasons. While it can make typing in the dark easier for average users, it is also distracting for heavy users who no longer need to look at their keyboard.

There are two pop out feet at the back for typing at an angle when placed on a flat surface. This props it up enough to feel more like a traditional keyboard. Typing with the Solar Wireless Keyboard on your lap takes some practice, but it is not too difficult. I found that the numeric keypad also makes inputting digits easy and quick. Directional keys and functions (F1-F12) are all in the right place

Solar Power

According to Logitech, this keyboard can keep on running for nearly three months in the dark. Since the keyboard is so thin, there is no compartment for AA or AAA batteries. A Maganese Lithium button cell rechargeable tucks away into the top and is something you will likely never replace. It can take as little as two hours for a full recharge under direct sunlight. Keep in mind that even a desk lamp, over head lighting, or natural lighting that fills a room can keep energizing this keyboard.

There is a power button at the top to conserve power when not in use. A quick status check button displays either a green or red light besides a smiley or frowning face, respectively, to indicate whether the current light source provides adequate power.

Logitech offers a neat little applet to gather more information about the keyboard. Pressing the status key brings up a window with a percentage of available power and the level of the energy reserve. Interestingly enough, there is also a light intensity meter at the top. Holding it up to a lamp boosted it to a full 500 lux and there was about 125 lux in a room with natural sunlight (not direct). Logitech recommends at least 100 lux for normal operation, which I do not think will be an issue.
The Bottom Line

As someone who works on a computer for a living, this keyboard is a godsend. Even casual users will appreciate not having to worry about replacing batteries each time their keyboard runs out of power. The hassle-free configuration is a major plus especially for those who are not too tech savvy. I also enjoyed that the unifying receiver pairs with my mouse as well, saving me an extra USB port.

Although I did not have three months to test the claimed battery life, I think that decent lighting through the day will keep it charged indefinitely. It would be nice to see a USB port on a future model for wiring in to get a quick recharge when out of power and left without adequate light. The Logitech Solar Keyboard K750 sells for $79 which is a bit pricey, but it is available for as little as $55 if you shop around. This is definitely premium product and it is something that will not let you down.

Source:http://skattertech.com/2011/04/logitech-solar-wireless-keyboard-k750-review/

Wireless routers: Fixing the Achilles heel of the digital home

April 6th, 2011

When Cisco contacted me to talk about the new line of Linksys routers being released this week I was ready to give them a piece of my mind.

Once upon a time, Wi-Fi glitches were my own private hell. In my home we used to have one desktop computer that was hardwired to the router and no one but me used wireless. If the Wi-Fi stopped working and I needed to reboot the router only my home office laptop was inconvenienced.

Now it’s a family affair.

Giving streaming a bad name

Today we have three wireless laptops and a wireless printer, as well as an iPad, a Roku box and a Samsung Blu-ray player, all of which use wireless for video streaming. Now every other night I hear this:

“Daaaad! Netflix streaming isn’t working again. Can you come fix it?”

or

“Why isn’t YouTube working on the iPad?”

For some reason the iPad suffers from jerky images that freeze or suddenly deteriorate into a pile of jumbled pixels. This happens when used from the front of the house, furthest away from the router, but also when standing in the Kitchen next to the Roku box, which continues to stream just fine. Removing the iPad’s case helps, but does not eliminate the problem.

The big issue with the router is dropped connections, which often require rebooting the router – an annoying trip to have to make in the middle of a movie. And of course the router has no on/off switch, so I must reach behind to unplug it and hope the wire doesn’t drop down behind the desk.

Why don’t these damned routers just work? And they’re ridiculously complicated for consumers to set up. I’ve thrown away four routers in the last three years – Linksys, D-Link, Belkin – for a variety of reasons. I am on my fifth unit – a Linksys Wireless G – which is the one that keeps loosing the connection. That device may not be long for this world. If I hear my daughter yelling down the stairs one more time I think I may stomp the thing into bits.

Karin Combs, brand manager for Linksys, had barely started on her pitch before, like a spoiled little iPad user, I launched into my diatribe. She listened patiently – and then agreed with me. “This is typical of the frustration we see across the board.” People return routers because they don’t work right, because they can’t figure out how to set them up properly, or because the connection rates fall off. It has been, she admits, a totally crappy user experience.

Over the past year Cisco has consolidated its wireless router line from 18 models to three. The relaunch repositions its routers into five models in thee categories. She says that the software is easier to set up and that default pass phrases like “admin” and “password” have given way to randomly generated ones that the user must deliberately change if they want something weaker.

Here’s the breakdown on the new models, what they’re good for and what you’ll need if, like me, you’ve got home entertainment routed through Wi-Fi.

The Basics

The E1200 is a basic Wireless-N router for “everyday wireless.” Priced at $59.99 it’s your basic way to connect a laptop and perhaps one or two other devices to the Internet.

The E1500 adds a speed boost feature and implements a feature in the 802.11n specification called “spatial streaming” to extend the coverage area and limit dead spots in the house. Again, the product is best suited for supporting a couple of devices. For this you pay $79.99.

Home Office

The E2500 is designed for a busy home office. The technical gobbledygook: It adds simultaneous dual-band N operation for greater throughput, and has dual antennas to boost range. But what you need to know is that this model can support concurrent use by a wireless laptop or two plus a wireless printer and perhaps a smart phone and an iPad. If you’re using all of those devices and you’re also streaming video however, Combs says this device may not be for you.

For the Streaming Home

The E3200 takes you into what Cisco calls its “entertainment class” routers. First the technical blather: It includes simultaneous dual-band operation, quality of service settings optimized for streaming video, and four gigabit Ethernet ports on the back for direct connection of multimedia devices, such as our Roku box. (A great feature if your wireless router, which must be tethered to your cable modem, can reach your entertainment center by wire. Mine cannot.). This product will set you back $159.99 – a breathtaking amount when you consider that most people are accustomed to picking up a router for between $30 and $60.

The E4200 This router, previously released in January, is the Crème de la Crème of the line, for concurrent video streaming and gaming. In tech speak, it has all of the features above plus two different signal amplifiers (“on chip and off chip”) and a UPnP AV media server for optimized streaming of locally stored movies and video. This is the one to reach for if you are supporting video streaming to two TVs plus an iPad, Combs says. But the $179.99 price tag is enough to make my credit card hand curl up like a boiled shrimp.

Cisco’s marketing strategy is clear: Heavy duty use in the wireless, digitally entertained home requires a premium-class, industrial-strength router. But this model costs three times as much as the basic device I now have.

Is it worth the price? If it solves my problems, absolutely. Whenever I see this type of market segmentation my value antenna goes up. But I’m so fed up with the cheap routers I’ve used to date that I’m ready to pay more for something if the damned thing will just work. Too many devices now depend on it.

I don’t really need a media server so perhaps the E3200 will solve all of my problems. Overpriced hardware or worth every penny? There’s only one way to find out.

Source:http://blogs.computerworld.com/18086/wireless_routers_the_achilles_heel_of_the_digital_home?source=rss_blogs

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