Sunday, July 15, 2012

D-Link DAP-1562 Media Streaming Kit Selectable Dual Band, 11n, 600Mbps Review

D-Link DAP-1562 Media Streaming Kit Selectable Dual Band, 11n, 600Mbps
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My file server PC and my home theater PC are at nearly opposite ends of my home - separated by a floor and 5 interior walls. Over the past 3 years I've tried multiple options to get fast enough speeds to stream 1080p HD video content between the two. I've been limping along by using a Buffalo 802.11g Ethernet Converter combined with a high-gain antenna (the BNC connection made it trivial to swap out the factory provided antenna) connecting to a very solid router - the Linksys WRT600N 802.11n dual-band router. This gave me about 10-12Mbps sustained data transfer speeds. Just a tad bit slower than my internet connection speed. Sigh.
I was about to give up and pay through the nose to get Cat 6 Ethernet installed, when I came across the current generation of 802.11n 5 Ghz media bridges. I considered getting the D-Link DAP-1522 802.11n Wireless Bridge but saw the so-so reviews and noted that it had no external antenna. Given the distance involved for my network, I doubted that the DAP-1522 would do me much good without a high gain antenna. I then saw the DAP-1562 Media Streaming Kit which claimed "4x4 spatial streaming WLAN and data rates up to 600 Mbps". So what the heck, I took a $300 gamble.
It worked out. Without fiddling with any specific positioning or orientation I'm getting 112 Mbps sustained between my PCs. Certainly lower than the peak speed promised, but understandable given the distance in this case.
This kit comes with two units (hence the cost). One acts as the access point and the other as the bridge. Setup was quite easy - though I was forced to use the enclosed CD to make SSID changes. Out of the box they are configured to work only in the 5 Ghz 802.11n range, which is exactly what I wanted (least interference and max speed).
Note that there is only a single Ethernet port on each box. The AP plugs into an existing router or switch, so that's fine. However I would have appreciated another port or two on the bridge unit. I'm assuming I can add a switch to get a PS3/XBox/Wii and the HTPC all wired up at the same time, but I haven't yet tested that.
There are 4 antennae on each unit. They rotate individually, but can not be removed / replaced with high gain versions.

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Hawking HiGain Directional Antenna, mini indoor, 7dBi - HAI7MD Review

Hawking HiGain Directional Antenna, mini indoor, 7dBi - HAI7MD
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This mini indoor antenna does provide a boost over the standard 2dbi antenna that you receive from any typical router however this device is smaller than I had expected (seems to be only about 5-6 inches high). Further, upon installing the antenna on the back of my D-Link router, the connector on this Hawking antenna snapped off apparently due to a poor soldering job by Hawking. Luckily, the damage doesn't seem to be permanent and the antenna seems to be working despite the poor soldering.
Signal-wise, I was able to obtain about a 10% signal increase with a router on the second floor and a computer on the first floor with numerous walls in between. Not too shabby but for my purposes, I had to utilize a Hawking signal booster Hawking HiGain Signal Booster version 2 - HSB2 and a carefully-placed Trendnet antenna TRENDnet 14 dBi Outdoor High Gain Directional Antenna to achieve 100% signal (for comparison: without any enhancements, my D-Link DIR655 N Router can typically provide about 60% signal).

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Saturday, July 14, 2012

Cisco-Linksys High Gain Antenna Kit for TNC Connectors HGA7T Review

Cisco-Linksys High Gain Antenna Kit for TNC Connectors HGA7T
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Folks, these antennas, as well as the stock antennas, have an omnidirectional (same in all directions) horizontal radiation pattern. This means that, when installed in a suitable location, the most significant reception gains will be seen with equipment that is on the same level as the router itself. Most of the "these did nothing for me" stories appear to be from people who have the router downstairs and the equipment upstairs, or in the basement. These antennas are NOT designed to improve reception between floors in a home.
2.4GHz signals are heavily attenuated by walls, foil-clad insualtion, and other building materials. Interference can also be present from cordless phones, microwaves, wireless cameras and other gear in this band -- adding an antenna can make these types of issues WORSE. Changing the channel your wireless router uses can help, since chances are most of your neighbors are using the same channel you are. Some routers have a built-in site survey utility to help you locate an unused channel.
If you are having trouble reaching a particular device through several walls, or between floors, try a directional antenna as these will concentrate the radio energy where they are pointed. Some reviewers have pointed to a site that illustrates how to make a directional antenna with index cards, glue and foil -- this is a rudementary directional antenna but will surprisingly provide excellent results in many applications.
In summary: If you purchased these antennas and they did not work or made the problem worse, you need to reconsider the type of installation (multi-floor, multi-wall, etc.), sources of interference, channel selection, blocking materials such as foil-clad insulation, as well as proper antenna selection.

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Lowepro Pro Trekker 600 AW Camera Backpack (Mica/Black) Review

Lowepro Pro Trekker 600 AW Camera Backpack (Mica/Black)
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The Pro Trekker 600 AW is a outstanding product. From the structure of the pack to all it's fundamentals, this pack will get you where you need to go. For years I have been searching for the "perfect pack" as many as you surly have, and I have spend some money creating custom bags to suit my needs doing photo backpacking trips and events. I researched this bag very carefully and really studied all the features Lowepro created. The outside material holds up amazing in extreme weather conditions which include rain, snow and sand.
The outside pouches hold plenty or accessories and small item equipment like keys, wallets, phones ect.. and have plenty of room for your tripods. The inside space is amazing. Inside my pack I carry:
Canon 1D Mark III
Canon 1D Mark IV
Canon 70-200mm f/2.8
Canon 50mm f/1.2
Canon 16-35 f/2.8
Canon 15mm f/2.8 fisheye
Canon 580ex Flash
Canon 580exII Flash
Garry Fong Diffuser
Small Cap Diffuser
Two Batteries
Battery Charger w/ Solar Power Panel
25+/- AA Batteries
Flashlight
Camelback Blatter
10 various filters
Memory Cards
Flashcords and other corded accessories
15" MacbookPro
200gb pocket hard-drive
Gitzo Tripod
____________________________________
This bag still has plenty of room for food, extra clothing and supplies! The 600 AW is rather large and bulky but when you put it on your back the comfort is a 10 out of 10! Extremely comfortable! I have taken this pack with me on multiple trips; hiking, climbing, on long motocross trail rides, you name it. The support you get from this pack is awesome! I found this link to the product video which really helped me decide to go ahead and purchase this. Check out [...]
I hope my "2 cents" mattered and you get the most out of this product as I did. Thank you Lowepro!

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The Pro Trekker 600 AW by Lowepro is the ultimate, hydration-ready, expedition camera backpack. Lightweight, yet durable, it offers superior protection and comfort with Lowepro's premium suspension system. Inspired by Lowepro's world-famous Trekker series of backpacks, Pro Trekker 600 AW appeals to professional outdoor and adventure photographers who need a solution that travels well-in rugged terrain or by air. A full roster of inventive and convenient features include: 10 adjustment points from top of pack to lumbar; removable waistpack/backpack lid; three tripod sleeves; hydration pocket with seam-sealed pouch; checkpoint-friendly laptop sleeve; Hideaway Tripod Mount with and Lowepro's patented All Weather AW Cover.

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Friday, July 13, 2012

Netgear WG121 Wireless 802.11g USB Adapter Review

Netgear WG121 Wireless 802.11g USB Adapter
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I bought this same product. I use it with a Netgear 802.11g router. I use all Netgear products to hopefully prevent any conflicts between hardware, but I'm not an networking expert so I'm not sure if that will really prevent any problems. But from my POV this is a safe buy. No problems so far. What I like about this product is that i can place it on a high shelf out of the way of metal objects and other stuff that would potentially interfere with the radio signal, because it's connected by USB.

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NETGEAR's 54 Mbps Wireless USB 2.0 Adapter enables 54 Mbps wireless Internet access to either your desktop or notebook PC. New antenna technology delivers greater range so you can move extended distances without losing your connection. Setup is now made quick and easy with a new Smart Wizard install assistant. High-level WEP encryption shields your network from wireless eavesdroppers without sacrificing performance.

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Cisco-Linksys WRT600N Linksys Ultra RangePlus Dual-Band Wireless-N Gigabit Router with Storage Link Review

Cisco-Linksys WRT600N Linksys Ultra RangePlus Dual-Band Wireless-N Gigabit Router with Storage Link
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I am finally getting around to posting this review. I see that more recent users have been having good experiences with this product so I am considering giving it another try.
This review was originally drafted in Feb 2008 as I was preparing to return my second WRT600N with no intentions of getting a third.
Recommendation: after attempting to get two WRT600N's to work, I have come to a personal conclusion that the product is not mature and needs much more work. I applaud and am envious of others who have been able to make it work.
Review Synopsis: my first WRT600N failed to establish a connection with multiple laptops and an Xbox 360. After two hours with Linksys technical support, they recommended I return the router for replacement. Second router connected routinely, but every 10 - 20 minutes would drop the wireless connection on the 2.4 GHz signal. Returning it as well.
Full Review: I had been using a WRT54G v3 successfully for about three years now. Why replace it you ask? A few reasons:
1.I connect my Xbox 360 to a computer in my office via Media Extender. Because it is wireless from the router to the Xbox (linear distance is about 10 feet but through two glass windows), navigation of Windows Media Center on the Xbox has quite a bit of lag.
2.I live in a high rise condo... as you can imagine, the 2.4 GHz spectrum is crowded contributing to reason number 1, above.
3.I have many wireless devices connecting to my router at any one time: Xbox, Tivo HD, and up to three laptops.
4.Lately, the router will all of a sudden lose connection to the internet. This happens about once every three to four months. No amount of power cycling or refreshing of IP addresses on the Administration tab will re-establish the connection. The only solution I have found is to reset the router to factory defaults and then re-enter my settings. I have confirmed that I have the latest firmware.
After reading some favorable reviews of the WRT600N on CNET, Laptop Magazine, and other publications (I know... I know), the router seemed a solution that would fit my environment. Also, it offers the built-in USB port to which one could attach an external USB HDD for a nifty Network Attached Storage (NAS) solution.
First WRT600N: got the first one. Opened it up and boy it sure looked purdy. Followed the setup instructions to a "T" using the EasyLink Advisor software that came on an installation CD. Since I was transitioning from a Linksys product, the EasyLink software detected my existing router and led me through the steps of replacing my WRT54G with the WRT600N. There were clear pictures and the software even transferred the settings from my WRT54G to the WRT600N. The only thing it did not transfer were the MAC addresses of all the computers I had on my network.
When it came time to test the internet connection, the router could not get an IP address from the modem. The EasyLink software kept putting me in an endless loop where it checked for the internet connection, could not find one and the only assistance it gave was to go back one step (Back button was the only step available) to test it again. No hints on how to resolve the issue.
However, after a few power cycles, the router finally got an IP address and I was connected to the internet via a wired connection. I got my Gigabit Ethernet signal indication on my computer. This is where the success of the first router came to an end.
I wanted the following configuration on my router; the 5 GHz radio for the Xbox and maybe my one laptop. All other devices on the 2.4 GHz radio. I was able to connect my Xbox to the 5 GHz broadcast at first, but the signal was extremely weak ; one red bar. By comparison, the WRT54G maintains between 3 and 4 bars (out of four). The laptops connected to the 2.4 GHz signal a little easier and with better signal strength as compared to the Xbox, but showed dramatically fluctuating signal strength (50% - 85%) as soon as I took the laptops more than 15 feet away from the router. I live in a 2BR condo, total sq ft around 1100, so distance from the router should not be a factor.
I tried all combinations of settings before calling tech support. 5 GHz on mixed, then A only. 2.4 GHz on mixed, but 20 MHz bandwidth instead of 40. Mixed on all. Specified channels instead of Auto. Advanced tweaks discovered via some user forums. Nada worked. Called Linksys tech on the 24 x 7 line. No support was available until the next morning at 8 am. So much for 24 x 7. Next morning, after 2.5 hrs on the phone with Linksys tech support and failed firmware upgrade attempts, they recommended I return the router.
Second WRT600N: setup was a little more difficult with this one as the EasyLink software froze. Had to end it, reboot and restart. Same issue with not being able to get an initial internet connection as the first router. Several power cycles, resetting of the router etc. until I finally got an IP address from Cox Cable.
Now, on this second unit the wireless connections went easily and flawlessly. Connected the Xbox 360 on mixed mode on 5 G Hz with Auto setting for bandwidth. Smoother response and much less lag using Windows Media Center connected via Media Extender to my computer. Signal strength somewhere between 60 - 80%. All other wireless devices connected via "g" on the 2.4 GHz frequency. I was happy... until.
15 minutes into this, all 2.4 GHz devices dropped their signal at the same time for about 15 seconds, then came back on. Hmm. The Xbox stayed connected on 5 GHz. Again, 10 - 15 minutes later, another dropped wireless connection; this time all devices lose signal for about 10 seconds.
More tweaks,another call to tech support.
NOW, HERE IS THE CLINCHER that is making me return the second router and not giving a third attempt at this. When I talked to the tech support line, their first recommendation was to disable the 5 GHz radio! What?! Why? Yes, I know what they were trying to assess... are the radios interfering? Ok, so let's say they do... what's the point in having a dual radio router??? I told them that disabling was not a solution for a router marketed as having two radios intended for simultaneous operations. I asked if it was their intention that I operate the router only on the 2.4 GHz radio. They said, well, if that fixes your signal dropping problem, then yes. That's when I told them I might as well return the product. They tried to dissuade me from doing so and insisted that I turn off the 5 GHz radio, "just to see... ". Ok. Done. They told me to leave it that way for a few hours and call them back if it dropped. I asked, "What if it does not drop? Is it Linksys' recommendation that I operate only one radio?" The support person backed away from that and she did not want to give a definitive response. After pressing, I finally got her to reveal that there are issues with the dual radios and that the standard recommendation is to disable one of them.
Now I know that I could attempt to flash the WRT600N with third party firmware from [...] which some reviewers have done successfully and have said it fixes their issues, but I am of the belief that the manufacturer should make products that work. I am afraid to brick the product by doing something I am not experienced at so...
Time for a refund and kiss the WRT600N goodbye. I'm looking forward to the D-Link DIR-855.
Some equipment notes:
-Xbox 360 using Xbox 360 Wireless Networking Adapter that supports 802.11abg
-Thinkpad T42 with Thinkpad 11 a/b/g Wireless LAN Mini PCI Adapter (Atheros OEM), Vista 32-bit
-Thinkpad T61p with Thinkpad 11 a/b/g/n Wireless LAN Mini PCI Express Adapter (Atheros OEM), Vista 32-bit
-Dell Latitude D620 with Dell Wireless 1490 Dual Band WLAN Mini-Card, XP 32-bit
First router: S/N MNR008107370, manufactured 1/2008
Second router: S/N MNR008107361, manufactured 1/2008
Both routers came with firmware version 1.01.35 Build 5. The latest version on the Linksys support site was Build 3. I told the first tech support person who wanted me to install the Build 3 firmware of this inconsistency, but she said it does not matter... try anyway. The firmware upgrade failed on the first router. I don't know if it made a difference.
About me: though not a networking specialist or technician, I consider myself a relatively competent and experienced user of technology, installing and setting up my own equipment (which basically means I read instructions and figure things out with a bit of internet research when I run into problems).


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The Dual-Band Wireless-N Gigabit Router is really four devices in one box. First, there is the dual-band Wireless Access Point, which lets you connect to the network withoutwires. There is also a built-in 4-port full-duplex 10/100/1000 Switch to connect yourwired-Ethernet devices together at up to gigabit speeds. The Router function ties itall together and lets your whole network share a high-speed cable or DSL Internetconnection.

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Thursday, July 12, 2012

Windy31 USB-Type Portable Wireless Gateway to Combine Wireless Lan card, Wireless AP and Wireless Router (Black) (Retail Packaged) Review

Windy31 USB-Type Portable Wireless Gateway to Combine Wireless Lan card, Wireless AP and Wireless Router (Black) (Retail Packaged)
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I like to get out of my office and work out on the counter with my own personal laptop. Our IT guys were miffed that I had installed a traditional wireless router to allow me to do this because, with only one NIC card, it put the desktop as well as the laptop behind a NAT address - and so IT couldn't "see" the company desktop. Now, instead, I use the Windy31. Since it just looks like one of those big, old, first generation, USB drives, no one knows it is a router, and the company desktop can be seen by IT (so they're happy). But, I can get a very good wireless connection through the Windy31 at 50ft. or so from my office. When I go home, I just unplug the big, old "USB drive". I very pleased with this product.

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