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  • Edimax EW-7811Un 150Mbps 11n Wi-Fi USB Adapter, Nano Size Lets You Plug it and Forget it, Ideal for Raspberry Pi, Supports Windows, Mac OS, Linux
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Edimax EW-7811Un 150Mbps 11n Wi-Fi USB Adapter, Nano Size Lets You Plug it and Forget it, Ideal for Raspberry Pi, Supports Windows, Mac OS, Linux

by Edimax
| 560 answered questions

List Price: $14.99
Price: $9.23
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Ships from and sold by Amazon.com.
  • Currently smallest wireless adapter to be hidden well in USB port
  • Supports 150 Mbps 802.11n Wireless data rate - the latest wireless standard. Permits users to have the farthest range with the widest coverage. (Up to 6 times the speed and 3 times the coverage of 802.11b.).
  • Power Saving designed to support smart transmit power control and auto-idle state adjustment
  • Supports WMM (Wi-Fi Multimedia) Standard so that you can let different types of data have higher priority. It would allows better streaming of real-time data such as Video, Music, Skype etc
  • Includes multi-language EZmax setup wizard
  • Spec Standards IEEE 802.11n; backward compatible with 802.11b/g Wi-Fi Certified. Security 64/128 bit WEP Encryption and WPA-PSK, WPA2-PSK security; WPS compatible IEEE 802.1X
  • Port 1 x 2.0 USB Type A. Wireless Data Rates Up to 150 Mbps. Modulation OFDM: BPSK, QPSK, 16-QAM, 64-QAM, DSSS. Frequency Band 2.4GHz - 2.4835GHz. Antenna internal chip antenna
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62 new from $9.00 2 used from $5.00 1 refurbished from $15.96

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Frequently Bought Together

Edimax EW-7811Un 150Mbps 11n Wi-Fi USB Adapter, Nano Size Lets You Plug it and Forget it, Ideal for Raspberry Pi, Supports Windows, Mac OS, Linux + Raspberry Pi 2 Model B Project Board - 1GB RAM - 900 MHz Quad-Core CPU + SanDisk Ultra 32GB UHS-I/Class 10 Micro SDHC Memory Card Up to 48MB/s With Adapter- SDSDQUAN-032G-G4A [Newest Version]
Price for all three: $67.36

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Product Details

  • Product Dimensions: 5.5 x 3.5 x 0.7 inches ; 0.3 ounces
  • Shipping Weight: 0.3 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B003MTTJOY
  • Item model number: EW-7811Un
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (4,194 customer reviews)
  • Amazon Best Sellers Rank:
  • Date first available at Amazon.com: December 3, 2010
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Product Description

EDIMAX EW-7811Un IEEE 802.11b/g/n Wireless Mini Nano Size USB Adapter, Up to 150Mbps Data Rates, with 16 languages EZmax setup wizard for easy installation.System Requirements: Windows 7/Vista/XP, Mac OS, Linux.

Customer Questions & Answers

Customer Reviews

Easy to install, plug and play.
Reviewer
We'd have to sit very close to the router to get a good signal.
Brian
Constantly drops my connection every few seconds.
Noel Boyle

Most Helpful Customer Reviews

338 of 364 people found the following review helpful By Kevin Greene on March 11, 2013
Verified Purchase
I purchased this to add wireless connectivity to my Raspberry Pi running OpenELEC. My intention was to have the Pi sit in my second floor bedroom and stream media (movies and music mostly) from the HTPC running XBMC downstairs.

Upon plugging it in, I went to the settings screen in OpenELEC and entered in my wireless networking information. I rebooted for good measure and went to system information and found that it had no IP address. After verifying my wireless settings and rebooting once more, I still wasn't connected.

I tried a boatload of things, including installing RaspBian, RaspBMC, different versions of OpenELEC, various command line voodoo, disabling Wifi authentication, etc. None of this worked until I used a powered USB hub, and then it connected automagically. I was simultaneously relieved and frustrated when it worked. Relieved because it finally worked, frustrated because I spent so much time with it.

Now, several people have said that this doesn't need a powered hub for the Pi- which is actually why I bought it. My personal experience was that it did. I have seen things from other people about having to change their power supply to make Wifi adapters work on the pi - I didn't have another to use. Just keep that in mind that if you have trouble, try a powered USB hub before you tear your hair out.

With the Wifi now running properly, I took the Pi to my upstairs bedroom and set it up. I had previously verified that 1080p movies on the wired LAN ran without jitter or buffering. Playing with it on wireless, I found that I had to set my video streams to transcode to 1mbps 720p in order to stream without buffering. I was just happy that it was working, so I was OK with the quality drop.
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152 of 164 people found the following review helpful By Valentina on March 16, 2013
Verified Purchase
I was amazed at how tiny it is! About the width of my little finger pad and not longer than the first either! I used this for my mom's Sony internet TV , which was having trouble connecting to Netflix and the internet was running rather slow. As soon as I plugged it in, I went to internet settings and the thing picked up our WiFI from a different room immediately! Internet and Netflix 10 times faster than it was! Extremely happy with the delivery time too. I was originally told I would have to wait 'til April to get it; I received it 3/14! Awesome!
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176 of 195 people found the following review helpful By Brian on January 2, 2012
Verified Purchase
We've struggled in our home trying to find those isolated locations where our new little Toshiba Netbook (NB-305 model)would be able to make a decent connection to our Linksys wireless-G, 2.4GHz broadband router. Basically, if we didn't have a direct line of sight to the router we'd have signal trouble often resulting in disconnection from the internet. We just received and plugged this new Edimax into the USB port and within one minute found that we now have good reception (5 bars) from almost anywhere in our two story house. I even went outside down to the water's edge (30 ft from house) and still had full signal. Perhaps now my wife will join me fishing this summer if she's able to shop Amazon from the canoe while I fish! (Strike that -- it's probably not such a good idea.) Our netbook also gave us very limited usage in public venues such as coffee houses due to weak reception. We'd have to sit very close to the router to get a good signal. Looking forward to trying out the Edimax in some of these public facilities very soon.
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175 of 198 people found the following review helpful By Anis Y. Jiwani on May 14, 2013
Verified Purchase
I purchased this to use it with a desktop in the upstairs bedroom directly avove the room in which the router is placed.. We recently switched our service provider to and the connection speed of 50 Mbps. My laptop connects without any problems when in upstairs bedroom with its built-in wifi and the speed I get is about 22 Mbps, when I take it downstairs in the same room as the router it jumps from 22 to 30Mbps, (45 Mbps via ethernet).

I tried the Edimax with my laptop which has no problem connecting when downstairs but in the bedroom it keeps loosing the signal intermittently. My laptop has Windows 7 installed.

I tried it with my second laptop which is an IBM Thinkpad with Ubuntu 12.04 installed. The speed I was getting downstairs was 12 Mbps which I thought was not bad but upstairs the speed dropped to barely 2 Mbps and sometimes no signal

I decided to return it and selected another adapter TP-Link TL-WN722N which worked like a charm on all my machines.

If you will be using the unit in the same room as the router be it Linux or Windows, this will work for you but if the router and the unit are at a distance, particularly on different floors you will have issues.

The main reason for poor performance could be attributed to the unit being very tiny and the built-in antenna is not powerful enough for it to work at a fair distance from router particularly if there are walls and floors in the way.
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82 of 94 people found the following review helpful By Amazon Copter on February 24, 2012
Verified Purchase
Got this 802.11n wireless USB adapter for a slightly older laptop that came out just before 11n was standard. The fact it's so tiny means no worries about knocking it out or around when moving the laptop. I was afraid that would mean spotty or poor performance, but that's just not the case. It reports the signal is stronger than with the 11g connection.

Installation was simple. Switched off the internal G wireless, plugged in this tiny adapter and loaded up the software. No issues at all and was up in less than 10 minutes. This was the last non-11n device I had, so now I've locked the router into 11n mode only. The throughput is noticeably faster for all devices - not just the laptop.
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Edimax EW-7811Un 150Mbps 11n Wi-Fi USB Adapter, Nano Size Lets You Plug it and Forget it, Ideal for Raspberry Pi, Supports Windows, Mac OS, Linux
This item: Edimax EW-7811Un 150Mbps 11n Wi-Fi USB Adapter, Nano Size Lets You Plug it and Forget it, Ideal for Raspberry Pi, Supports Windows, Mac OS, Linux
Price: $14.99 $9.23
Ships from and sold by Amazon.com