Showing posts with label electronics. Show all posts
Showing posts with label electronics. Show all posts

10/24/2012

Sharp TM-20 TelMail E-Mail Organizer Review

Sharp TM-20 TelMail E-Mail Organizer
Average Reviews:

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I recently got my TM-20, and I am glad not to have to lug a heavy, bulky laptop around just to read my email on the go. I have my regular email account set up to automatically forward to my pocketmail account. I also have my regular email reader (MS Outlook express) set up to grab mail from pocketmail when I am in the office. This works very well. If i get an email on the road that has an attachment I get the attachment from my regular email reader when i am at the next destination using a desktop PC or my laptop.
Having the pocketmail device on the go at airports and etc. is a great luxury. I strongly encourage anyone who depends on email and who travels even a moderate amount to get a pocketmail device. For about $100 for the TM-20 and $99 for the pocketmail service for a year anyone can afford this.

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Now there's a convenient tool that fits in the palm of your hand and lets you quickly and easily send and receive e-mail from most phones worldwide.TelMail E-Mail Organizer is an all-in-one electronic messaging device that even lets you send faxes and e-mail enabled alphanumeric pages. TelMail uses advanced NASA developed audio technology called PocketMail that's very fast, highly reliable and noise-tolerant, so there's no need for computer or Internet access, additional phone jacks, wires, or modems. It's called the Sharp TelMail E-Mail Organizer.

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8/26/2012

D-Link DI-524 Wireless 54 Mbps High Speed Router (802.11g) Review

D-Link DI-524 Wireless 54 Mbps High Speed Router (802.11g)
Average Reviews:

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I'm not sure if the other reviewers have problems reading instructions or if they just skipped steps. Had no problems at all getting this unit set up and establishing connections between my desktop and Inspiron 5150. Take it out of the box, connect an ethernet cable between the desktop and router and plug it in. Use your favourite browser to connect to 198.168.1.1 and run through the setup wizard. Then once you've got everything set up, read through the manual, go through the various setup options and tweak as desired. I opted to go with the WPA-PSK authentication protocol because its supposed to be more secure, but if you have other devices that don't support it, you'll probably have to stick with WEP.
It can be laid flat on the desk, or propped up on end vertically using the little rubber feet that are supplied. There are 4 ethernet ports that allow you to connect via 10/100 Ethernet and the WAN port to connect to cable, DSL or LAN. The antenna is on a swivel and can be rotated to just about any convenient orientation.
The only thing I don't like about the router is that it doesn't have an internal clock, so every time it is powered off the router's system time goes back to it's default start value. It can be configured to set the time from an NTP server, but only if it's connected to a WAN network (via DSL, cable or LAN). It's only a minor inconvenience though. The other thing is that the router's web interface only seems to work properly if you use IE. Using Netscape/Mozilla/Firefox sort of works for most things, but not everything.

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The advanced wireless technology built into the DI-524 now offers up to 54Mbps through its wireless channels, allowing streaming videos and other high bandwidth applications, such as online gaming events to operate without the hassle of Ethernet cables. The ability to transfer high bandwidth also makes streaming real time programs more enjoyable and more efficient. Network Security is a precautionary threat and with the built-in advanced firewall, these threats are minimized, making it more difficult for hackers to penetrate through the DI-524. Features like content filtering, MAC filtering, URL blocking, and Domain blocking are useful tools to prevent other unwanted intruders to connect to your network.

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8/20/2012

BELKIN BE112230-08 12-OUTLET HOME/OFFICE SURGE PROTECTOR WITH COAXIAL/TELEPHONE/MODEM PROTECTION Review

BELKIN BE112230-08 12-OUTLET HOME/OFFICE SURGE PROTECTOR WITH COAXIAL/TELEPHONE/MODEM PROTECTION
Average Reviews:

(More customer reviews)
Brief evaluation
----------------
This surge protector allows for up to 12 devices, including 6 'wide' DC adapters to be plugged in. It will protect them against power surges and, in addition, it can protect one Ethernet/phone line (RJ-45) and one coax wire if they are connected to pass through the Belkin surge protector.
My personal experience does validate the claims the manufacturer makes for the features that I am using and I can verify at this time. Currently, I have 9 devices plugged into the surge protector, including 5 DC adapters and 4 2/3-prong plugs. All of the 3 remaining slots are unobstructed and could be used for one additional power adapter and 2 more plugs.
This surge protector replaces 2 older and smaller surge protectors and a one-to-six plug multiplier.
So far, I am happy and, in my opinion and based on its meeting real needs, good design, features and low price I recommend it as (in my view) one of the best it its class.More details
------------
The following are noteworthy, in my view.
Positives:
+ TRUE 12-outlet capacity. Unlike the traditional surge-protected power strips where one beefy AC adapter would cover 2 slots, Belkin's device truly accommodates 6 AC adapters and allows for 6 more plugs to fit in.
+ 'Protected' green light (must be on) provides assurance that the surge protector is operational. When the green light stays off it usually means that the surge protector 'expired' while protecting your device from a power surge and it must be replaced ASAP. [The Belkin warranty promises a free replacement under its warranty terms if you meet the requirements and, it seems, you pay for shipping the damaged unit to Belkin and, possibly, the new unit to you. That's likely to add up to the price of buying a new unit from Amazon and, if you factor in the hassle, probably not worth it.]
+ 'Not grounded' red light (must be off) will warn you when there's something wrong. Belkin's warranty won't apply if the light was on when your devices got fried. I don't know if for a fact but I assume they have a way of telling if that was the case.
+ 10 ft. long cord. This is very important to me and it was one of the criteria that had to be met when I ordered this item.
+ 90 degree plug allows you to easily plug it into a busy 4-plugs wall outlet.
+ Clip for cable management. I find it useful.
+ Thin (one inch) and flat shape. Stands well on a table or on the floor.
+ Telephone and coax cable pass through for surge protection. I don't use these but I'm surprised that something this inexpensive has them. Even better, the phone jacks come covered with some sealing foil and, if you don't use them, they stay near invisible. They are so well hidden, it took me some time to actually find them.
[NOTE: The 'phone' jacks are RJ-45 (Ethernet), not RJ-11 (phone). I know that you can plug an RJ-11 connector into an RJ-45 receptacle and I believe that's okay but I did NOT test this feature on this surge protector.]
Negatives:
- Other than encouraging the unrealistic expectation that Belkin would pay you op to $300,000 on connected equipment warranty, I can't think of anything bad.
Warranty
--------
On a scale of 1 to 10, where 1 is a worthless warranty and 10 is one that's unbelievably generous, Belkin's should be somewhere around 2 or 3 - 95% of all warranties on devices this cheap are likely to be a 1.
They do promise to replace the item if it sacrifices itself while protecting your devices for as long as you can prove that you didn't do anything stupid, you have a purchase receipt and you ship the damaged item to Belkin at your own expense. It's not clear if they will charge you for shipping you back a new item. This may or may not be something worth pursuing. My impression is that you are not going to save a lot of money to get a 'free' replacement from Belkin and you are likely to waste a lot of time in the process. I'd probably buy myself a new one if the one I have now stopped working but it's good to know that they do have a 'lifetime' warranty. By 'lifetime' they mean the natural life of the product but 'natural life' is not precisely defined.
As far as being reimbursed for damage to devices that this surge protector was expected to protect, my impression is that you are not likely to get much if anything unless you can afford a lawyer and you are willing to sue. You have to meet a long series of requirements that are expressed in several paragraphs of techno-legalese.Rating
------
I will have to repeat myself stating that, in my view, this is one of the best in its class. At the claimed 4156 Joules of surge protection, my devices should be pretty safe and the price is right. I could have and maybe I should have removed one star from the over hyped "$300,000 connected equipment warranty" statement printed on the box but... as sad as it is, everybody does it and Belkin's warranty is better than most so, I am awarding 5 stars on an item that inexpensively addressed real issues I had with protecting many devices clustered in a corner of my basement.
________________________________________________________
Disclaimer:
I would call myself the opposite of a Belkin shill. After reading the news stories concerning some Belkin employees' attempts at promoting their wares at Amazon via employee-written reviews and other unethical practices I tended to stay away from the Belkin brand. In this instance, the price and the promised features were hard to resist and, to my surprise, I am very happy with my purchase.

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8/09/2012

APC BE550R 550VA Back-UPS ES 8-Outlet Battery Backup System Review

APC BE550R  550VA Back-UPS ES 8-Outlet Battery Backup System
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At first, I thought this thing was the tops. It performed well in several power outages/fuse problems/spikes (I'm in a 1939 building & my office has mostly original wiring). After about 8 months, half of the plugs quit working altogether. I moved my important stuff to the other 3 plugs and took everything else off backup. We didn't have a power outage for a long time, so I don't know when the backup quit working on the rest, but it doesn't work anymore, although the alarm still sounds and the power light is still on. But anything plugged in will shut off with a power loss. Overall, I've owned it less than a year and a half. At this point, it's a very expensive extension cord. But the price has gone way down (it's less than half what I paid) from when I purchased mine. Either way, I'm paying more and going for a different brand for the replacement.

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2/29/2012

The Complete Computer Cable Manager Review

The Complete Computer Cable Manager
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(More customer reviews)
Our office is better because of these. With several hundred employees, getting the janitorial crew to vacuum under our desks was a challenge. Now ALL of the offices can be cleaned and get all the dust and allergens cleaned up every week.
Thank you for such a simple solution.

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Apple M8434G/A Audio/Video Foribook NTSC Cable Review

Apple M8434G/A Audio/Video Foribook NTSC Cable
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I was pleased with this company's service in reference to this item's immediate availability and fast shipping.
I dealt with them long ago with camera products, and see their business still treats a customer well after all these years.

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12/09/2011

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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10/31/2011

Belkin F3D508-10 Parallel File Transfer Cable Review

Belkin F3D508-10 Parallel File Transfer Cable
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This is the cable that connects two windows computers together so that one can use the files of the other. It is all that is needed. The software is within the Windows operating system. Unless it was installed in the computers when they were set up, it must be added from the installation disks using the "add programs" feature.
I used it with Windows98.
It usually replaces the printer cable, so that plugging and unplugging is necessary - or a switch can be installed. It reverses the wiring so that this cable can not be used to directly connect to a printer.

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10/25/2011

LG 420G Charging USB 2.0 Data Cable This professional grade custom cable outperforms the original Review

LG 420G Charging USB 2.0 Data Cable This professional grade custom cable outperforms the original
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Unfortunately, it does not transmit data. I have the LG app for computer, to do
software updates and up/download pics and MP3 files, and though the cable does
charge the phone, it does not recognize the phone, nor allow Data transfer....
After I received the cable, I did some digging on forums. I saw that the model doesn't allow for data transfer unless it is through bluetooth. I ALSO saw many people with the same complaint I had, that the cable they bought said "DATA" cable. the description should be changed to USB charging cable, and DATA reference should be removed, so that no one else will be disappointed in their future purchase.

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8/27/2011

Netgear WGR614 Wireless-G Router Review

Netgear WGR614 Wireless-G Router
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(More customer reviews)
Do NOT purchase this router. I have been a happy Netgear customer in the past, and am technical enough to keep both home and small office wireless networks running fine, but this model has a hardware problem that Netgear tech support has finally acknowledged, but for which they are not providing an adequate fix. As others have mentioned, the router will often drop connectivity, and rebooting is the only solution. I bought one, had these problems start (luckily within the 90 day tech support window), and returned the router to Netgear (at my expense) in exchange for another one, which demonstrated the SAME problem less than 24 hours after installation. After yet another long call to India the latest tech support rep acknowledged that lots of these models are having the same problem, and upgrading to the latest firmware (which I did immediately upon installing both of these routers) won't fix it, so her solution was... send this one back (AGAIN at my expense) and they would send me yet another one of the SAME model, which she (for no defensible reason) assures me will work. For more background please see the Netgear tech support forums, where you will see scores of people experiencing the same problem and the same non-solution from Netgear. Save yourself the trouble and buy a different wireless router.

Click Here to see more reviews about: Netgear WGR614 Wireless-G Router

The NETGEAR WGR614 54 Mbps 802.11g Wireless Router lets you easily set up a wireless network in your home so you can share a single internet connection with everyone in your household or office at speeds up to 54 Mbps.
Beautiful Design and Easy Setup The WGR614 is a very attractive unit about the size of a small paperback with a silver exterior and rounded edges. An included plastic stand lets you stand the router on its edge to take up less space.
The WGR614 makes it easy for even a novice to set up a wireless network: just plug the included Ethernet cable from your internet connection into the router and insert the included CD into any computer on the network, which will provide step-by-step instructions. The WGR614 employs a web-based interface for configuration, and the router will automatically do the initial setup by getting your DNS settings and determining your IP address. The firmware is also upgradeable via the web interface so you can be sure your router will always be up-to-date.
Fast and Secure Supporting the 802.11g standard, the NETGEAR WGR614 offers wireless data speeds of up to 54 Mbps, making it possible to share a broadband internet connection, stream music without hiccups, watch videos with less load time, and videoconference without problems. Downloading files is up to five times faster than it was with 802.11b. If you still have computers that use 802.11b, don't fret as the router is backwards compatible with the older wireless standard and can be set so all your computers can connect to the network and the WGR614 will automatically figure out the connection type and work accordingly.
In addition to wireless access, there are four 10/100 Mbps RJ-45 Ethernet ports in the back for connecting computers to the network via a faster, wired connection.
The WGR614 offers many security options to ensure your data is private. Double firewall protection keeps your network shielded from outside attacks. To ensure the security of your wireless data, both 40/64-bit, 128-bit, and 152-bit (802.11g only) WEP encryption is available, as well as WPA (Wi-Fi Protected Access). You can also use MAC address authentication to allow only authorized users onto the network.
Keep Tabs on Kids This router is an especially good choice for parents as it allows settings to log all sites that are visited, lets you block specific sites based on whether it contains specific keywords, and lets you set time schedules for certain computers to work.
The NETGEAR WGR614 54 Mbps 802.11g Wireless Router is backed by a 1-year warranty.
What's in the Box WGR614 54 Mbps 802.11g Wireless Router, power adapter, Ethernet cable, setup CD, vertical stand, warranty/support information card.

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8/10/2011

Cables To Go 26886 USB To DB9 Male Serial Adapter, Blue (0.45 Meters/1.5 Feet) Review

Cables To Go 26886 USB To DB9 Male Serial Adapter, Blue (0.45 Meters/1.5 Feet)
Average Reviews:

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I had to load the XP drivers off the included driver CD, but otherwise, this adapter works perfectly fine.
PROS:
I had searched high and low for such an adapter so the fact that it exists is a big plus. The other plus is that it works perfectly fine. I think nearly all of the USB to serial adapters out there require you to load some type of driver first.
Also, this driver has a blue light (maybe an LED?) on it to let you know it's hooked in properly. The light didn't go on at first, but did once I loaded the drivers.
CONS:
The connection is very slow --- 9600 bps. I'm not sure if this is specific to this adapter or to all USB/Serial adapters.
My other complaint is that the driver put the adapter on COM port 9 (COM9) for some reason. I had to go under control panel and change it to COM1 before the adapter worked.

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7/25/2011

Cisco-Linksys BEFCMU10 Ethernet Cable Modem Review

Cisco-Linksys BEFCMU10 Ethernet Cable Modem
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(More customer reviews)
First I need to thank all of you guys who gave the Linksys cable modem 4 and 5 stars. If it had not been for your reviews I would have sent this great modem back to Amazon.
I spent 6 hours trying to get this modem working, getting help from 4 different techs at AT&T. They told me that this modem was bad and that the cable light needed to stay on and that the Linksys modem would not register with their system. They told me I needed to send it back and get another one. {ALL FALSE} So finally I told them to connect my (their) old modem back up. Their modem worked fine.
As I was getting ready to pack my new Linksys modem up to send it back to Amazon. I decided to try it one more time. Following the exact sequence they used to connect their modem. And would you believe it? It works!!!
My problems:
1. bad tech support.
2. must remove router to register modem.
3. given wrong registration address. (MOST IMPORTANT)
4. computer must be turned off before you turn on modem.
Fool proof procedure to be up and running in 10 minutes:
1. Turn computer off.
2. If you have a router, take it out of the loop. connect directly from your computer to the modem thru the ethernet port.
3. Connect the cable.
4. turn on power to the Linksys modem, allow it to boot up.
5. turn on your computer
6. go to the registration page to register your modem. You MUST do this twice, for some reason it does not work the first time. MAKE SURE YOU GET THE RIGHT ADDRESS FROM AT&T. They failed to tell me I needed to use "https://" instead of "http://" it won't work without the "s"
enter your account # and registration #.
7. You should be working. Reconnect your router.

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If you're tired of the slow & frustrating performance of 56k modems & dial-up Internet providers, then your salvation is here in the form of the Linksys BEFCMU10 EtherFast Cable Modem. With a cable modem you are always connected to the Internet & you will experience speeds many times that of standard 56k modems. And it's easy to use. Just plug the plug-and-play device into any USB port on your PC. You can even plug it into your Ethernet port or an optional Linksys Router for easy Internet sharing through the home. Weight - 1lb.

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7/17/2011

Motorola Surfboard SB5100 Cable Modem Review

Motorola Surfboard SB5100 Cable Modem
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(More customer reviews)
I have worked a good year solid installing cable modems for Charter Communications in California and I can vouch for the ease of installation (no software is required honestly folks), the reliability, speed, and simplicity of the Motorola Surfboard. It is a class above other modems such as Toshiba, Terayon, D-Link (only customer supplied) and the most dreadful one of all, the Ambit.
Most times we were given Ambit modems to install (about 2 or 3 Ambit for every other type on a daily basis). Most times we had problems that were modem defect related, they were Ambit modems, however, that can't be chalked off to an average likelihood because they were installed more. Now, they failed in high numbers like about 1 out of 4 or 5 before an install could even be completed. To their credit, althought Ambits were what I see as unreliable (drop dead on a dime!), they did stretch the limtis of low signal way beyond cable co specs (+10 to -10 dBs) and sometimes worked (gag) even low as -14dB to (one particular occassion I remember -19dB where other modems could never lock on or would never stay locked on to the two frequencies. Although I can't describe the level of service they would provide at that point of signal degredation as anything better than "beats dial-up" when it would not achieve the "theoretical" maximum speeds of 3Mbps given customers but would get a more lackluster 300-600Kbps. Some customers were happy to be able to get that and more anxious to have that right away than to reschedule for another tech to come later and finish the installation after fixing line problems causing such low signals when it wasn't something that could be found and fixed within the alloted time for the original install.
Our second most installed modem were Motorola Surfboards. While they truly operated more inline with their published specs on signal levels (down to about -12dB usually, -15dB if the stars were aligned), they were definitely more tolerant of noise in my opinion and much more reliable than the other modems we had installed in terms of staying solidly connected and operational with consistent speed day in day out on any good line. The only time I ever had to remove a Motorola from service for a "modem problem" actually turned out to be a bad power supply that failed during installation, not the actual Motorola product itself! I can't say that for any other modem I've installed.
The other modems are usually more stylish, or a bit more sleek, but in my book written by a sometimes frustrated cable technician who has installed, moved, and replaced hundreds of HSCI setups locally, 3 style points aren't worth even 1 reliability point when it keeps customers (or me!) from getting pissed off, so I'd stick with Motorola every time if I had a choice which one to install on any given job because I knew I wouldn't get a bad report or call when others failed just back hours or days after installing them.
I'd stake all my experience in the field with all kinds of setups and problems with Motorola being undeniably the most dependable and functional. They truly are the kings of Cable modem.

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