Rating: 
Summary: On a Mac, just plug it in and it works!
Review: I think the booklet that comes with it says it all. For Windows, installation is a 5-page, multi-stage process that requires installing drivers. For Mac, it's basically one short paragraph: "plug it into a free USB port and it's ready to go." And that's exactly what happened on my G4 running OSX. I have the rev-B4 version. I recommend that Mac users go to the Apple site and download the firmware updates for the D-Link, along with those for the wireless Apple keyboard and mouse. It fixed some problems with waking a sleeping Mac by clicking on the mouse or keyboard (which didn't work prior to the firmware update). Now it works great.
Rating:
Summary: Easy and flawless installation and operation with two Macs
Review: I use this Bluetooth adapter on two machines-a two-year-old 14.1" iBook and a three-year-old G4 desktop machine, both running OS X 10.3.2-and I'm really pleased with it. The adapter works flawlessly on both with my Tungsten T3 handheld.Simple, easy installation-I just plug it in, no separate drivers required-and I've encountered no problems with syncing my T3 to Palm Desktop software and several third-party conduits for photographs and whatnot. I have no idea what's on the CD that accompanied the package, because OS X's built-in Bluetooth support handles this adapter perfectly. Interesting to me that a quick reading of the reviews posted here indicates little or no hassle with this adapter for Mac users, and a bit of hassle all the way to hair-pulling insanity for some Windows users. I use both Macs and Windows machines in my daily life, and I like each for specific purposes, but the Mac's ease of use definitely can't be beat-and this is a shining example of that philosophy.
Rating:
Summary: Easy and flawless installation and operation with two Macs
Review: I use this Bluetooth adapter on two machines-a two-year-old 14.1" iBook and a three-year-old G4 desktop machine, both running OS X 10.3.2-and I'm really pleased with it. The adapter works flawlessly on both with my Tungsten T3 handheld. Simple, easy installation-I just plug it in, no separate drivers required-and I've encountered no problems with syncing my T3 to Palm Desktop software and several third-party conduits for photographs and whatnot. I have no idea what's on the CD that accompanied the package, because OS X's built-in Bluetooth support handles this adapter perfectly. Interesting to me that a quick reading of the reviews posted here indicates little or no hassle with this adapter for Mac users, and a bit of hassle all the way to hair-pulling insanity for some Windows users. I use both Macs and Windows machines in my daily life, and I like each for specific purposes, but the Mac's ease of use definitely can't be beat-and this is a shining example of that philosophy.
Rating:
Summary: Works great with my WindowsXP and Ti68 phone
Review: I was surprised to read of all the issues that other Windows users had. Maybe I didn't have any problems because I'm using WindowsXP, but everything installed just fine. Maybe I'm just better at following instructions :). I bought it mostly so that I could synch my Sony Ericsson Ti68 with Outlook (Calendar, Contacts, Tasks). Bluetooth is much more reliable than the Infrared connection method that my phone also supports. This device automatically detects when I'm near my computer with my phone and starts syncronizing automatically. The USB extension cord is very thin (think microphone cable) and it allows me to quickly connect this adapter without crawling under my desk to find the USB ports (why do most PC companies continue to put these on the back?). Overall, I can't recommend this highly enough. It's great price is just a bonus.
Rating: 
Summary: Windows drivers are flawed; DLink support is useless
Review: I'm an avid user of electronic gadgets. This is the first review I'm writing online about any product, because my experience with this product was so bad. I bought the dlink adapter to try out the bluetooth functionality on my Sony Ericsson T616 phone. From the beginning, driver install (developed by Widcomm I believe) in Windows XP was painful. It hung during first installation of drivers; after some finagling, I got the installation to complete. The bluetooth discovery was working at this point, I could see my phone, etc. Unfortunately, that's all that was working as the driver install had killed all other network services on my machine. Internet explorer was not loading; I couldn't browse the file system through "My Computer" or manage processes through Task Manager! Dlink support to the rescue: after several rounds of the ticket getting "escalated", they finally told me "it was a virus". What an amazing coincidence that must have been because the problems started right after I installed the bluetooth drivers. I did an XP system restore to the point right before bluetooth driver install: this got explorer loading at least, even though I still did not have internet access. After some searching online, I found a fix to repair winsock, this fixed my problem. My experience with this product was terrible. It may not happen in your case, but why take the chance? There are several other equivalent USB bluetooth adapters out there, I'd recommend anyone to try another one first.
Rating:
Summary: Worked with Win2000, but not XP
Review: I've used the DB-120 for about 1 yr with my win2000 laptop. I set it up in about 10 minutes and had it working with my phone almost immediately. Easy.
Recently, I moved off of that laptop and migrated everything to a brand new Win XP desktop. After working several hrs this afternoon with the drivers from the Duh-Link site, I've given up trying to get it to work. It is very frustrating, because I've been using it for so long and I know I can follow the instructions. It is going on ebay and I'm replacing it with something that's ready to be used in XP.
My advice, if you want to try this with XP, it may work or it may not...just know that you are gambling. Save yourself the trouble and go get something else that is more stable.
Rating: 
Summary: Good piece of hardware, weak software
Review: If you don't mind fiddling with software installs then this is a good bluetooth adapter to choose. It's the smallest that I could find and the range is great: My computer upstairs has no trouble connecting to my phone downstairs. Overall I give this product 3 stars because the software seems flakey. One one of my Win2K computers the install said that it completed but when I rebooted it complained about not finding BtBalloon.dll. I searched the install files and found a file called BBalloon.dll. So I copied it to \WINNT\system32 and renamed it BtBalloon.dll and it was happy. On another computer the software just stopped working and I had to reinstall. As others have said download the latest drivers from the DLink web site and don't use the ones on the CD. I use this device to connect to my Sony Ericsson T616
Rating:
Summary: works great...on PC
Review: It's plug and play on my XP notebook and XP desktop. Strangely, it doesn't work on my iMac. The iMac doesn't detect it at all. Amusingly enough (or not, depending how you look at it) my iMac doesn't detect my 256MB USB key either. That also works great on my PCs.
Rating:
Summary: Hard to make Version B4 work with XP SP2
Review: Mine was a DBT-120 Ver.B4. I kept getting Security Code errors when installing it using the B4 software, so I called Tech Support. They said I had to download and install the software for Ver.B3, not the software for B4. Then I had to tell them the MAC ID number for the device, and they gave me a very long Security Code, which I had to enter manually. When I plugged in the DBT-120, XP SP2 automatically installed its default driver, and I had to use Device Manager to manually update it to the D-Link one. In the end, I got mine to work, but it took all day to figure out how. The fact that the first one I tried was actually defective didn't help my attitude either.
Rating:
Summary: Works great on iBook 1.2Ghz
Review: Not much to say - it just works as expected on my iBook 1.2Ghz (Mac OS X 10.3) with both mine and my wife's Sony Ericsson T637 phones.
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