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Wireless > Wifi

Miniature WiFi (802.11b/g/n) Module: For Raspberry Pi and more

SKU: ADA814

$20.00 AUD, inc GST
$18.18 AUD, exc GST

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Miniature WiFi (802.11b/g/n) Module: For Raspberry Pi and more
20 AUD

SKU: ADA814

$20.00 AUD, inc GST
$18.18 AUD, exc GST
2 reviews 0 5 5
In stock, ships today if ordered before 2PM
Delivered by Mon, 27th of Nov
Shipping Offer

Make your Internet of Things device cable-free by adding WiFi. Take advantage of the Raspberry Pi and Beagle Bone's USB port to add a low cost, but high-reliability wireless link. Adafruit tried half a dozen modules to find one that works well with the Pi and Bone without the need of recompiling any kernels: its supported by the Bone's Angstrom/Debian installation that comes with each Bone as well as Raspbian and just about any other modern Pi operating system. You'll have wireless Internet in 10 minutes! Works great with 802.11b/g/n networks.

If using with a Beagle Bone: Because of the high power required by WiFi, a 5V 2A power adapter is required to power both the Bone and WiFi. Flaky behavior and crashes may result if this is not followed! Adafruit have a tutorial for using this module with the Beagle Bone!

If using with a Raspberry Pi: The latest Raspbian distributions support this module out-of-the-box.  Check out Adafruit's detailed tutorial for how to set up WiFi networking on the Pi If you have a model B you may find that you need to have a powered hub to use this adapter, so if you're having power flakiness with your Pi, try a hub!

Please note: These are good for home/office usage with a Raspberry Pi when the router is nearby. For installation projects or large-scale distribution, Adafruit strongly recommend upgrading to this stick with a larger antenna - especially if you plan on putting the Pi behind something or inside an enclosure/wall/box/sign/etc!

The WiFi module may look slightly different than above, but all modules shipped contain the same chipset and have equivalent performance, the only difference is the plastic shell and any printing. Adafruit have requested to minimize packaging and now ship without a CD since all modern computers have support built in. If you need drivers, see the Technical Details tab

Technical Details

  • RTl8192/8188CUS Chipset
  • Sticks out 8mm (0.3") beyond USB port
  • Weight: 2.17g
  • Wireless Standards: IEEE 802.11n (draft), IEEE 802.11g, IEEE 802.11b
  • Host Interface: High speed USB2.0/1.1 interface
  • Data Rate: 802.11n: up to 150Mbps (downlink) and up to 150Mbps (uplink) , 802.11g: 54 / 48 / 36 / 24 / 18/ 12 / 9 / 6 Mbps auto fallback, 802.11b: 11 / 5.5 / 2 / 1 Mbps auto fallback
  • Frequency Band: 2.4GHz ISM (Industrial Scientific Medical) Band
  • Chipset: Realtek
  • RF Frequency: 2412 ~ 2462 MHz (North America), 2412 ~ 2472 MHz (Europe), 2412 ~ 2484 MHz (Japan)
  • Radio Channel: 1 ~ 14 channels (Universal Domain Selection)
  • Antenna Type: Integrated Antenna
  • Roaming: Full mobility and seamless roaming from cell to cell
  • RF Output Power: 13 ~17 dBm (Typical)
  • Modulation: 11n: BPSK, QPSK, 16QAM, 64QAM with OFDM, 11g: BPSK, QPSK, 16QAM, 64QAM, OFDM, 11b: DQPSK, DBPSK, DSSS, CCK
  • Data Security: 64/128-bit WEP Encryption
  • WPA, WPA-PSK, WPA2, WPA2-PSK. TKIP/AES
  • Network: Auto-switch to use 802.11n or 802.11g or 802.11b mode
  • Supports Ad-Hoc, Infrastructure WLAN network, Wireless roaming, Data rate auto fall-back under noisy environment or longer range distance, Site Survey with Profile function
  • Configuration & Management: Plug-and-Play setup and installation, Management Utility supports 2000 / XP/ Vista
  • Media Access Control CSMA/CA with ACK
  • LED Indicator Link/Active ( Blue )
  • Operating Temperature 0°C to 40°C
  • Storage Temperature -20°C to 75°C
  • Operating Humidity 10% ~ 90% (Non Condensing)
  • Storage Humidity 5% ~ 95% (Non Condensing)
  • Requirements: Available USB 2.0 port
  • Download drivers (shouldn't be necessary but in case) from this site, look for the RTL8188CUS download table

This product is listed in:

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Documentation and Resources:
  • The Maker Revolution
  • The Maker Revolution celebrates the creation of new devices and the modification of existing ones - the transition from a consumer buying goods to eventually having a major part in their creation. The Maker Revolution places strong emphasis on free (...
  • How to use an ESP8266 in the Arduino IDE
  • In August of 2014 Shanghai-based chip manufacturer, Espressif, released a ultra-cheap Serial to Wi-Fi chip called the ESP-01. At the heart of the ESP01 was an ESP8266 chip broken out into the 8 pins needed to program it via a microcontroller. You cou...

Product Comments


Customer Reviews

  1. Review by Christopher verified purchaser
    Rating
    100

    Great WiFi dongle - really is just plug and play. Good signal strength for such a small adapter too.
    Good to know it will work with a Raspberry Pi before purchase too. (Posted on 14/06/2016)

  2. Review by Neil verified purchaser
    Rating
    100

    My first attempt at setting up my Raspberry Pi (model 2B) as a wireless access point was not not successful. It almost worked, but I couldn't see what I had done wrong compared to the instructions for the (different) adapter that I had that I found on the web.

    Looking around more I found this: https://learn.adafruit.com/setting-up-a-raspberry-pi-as-a-wifi-access-point?view=all
    set of instructions which seemed comprehensive and pointed out some of the things that could go wrong. I bought the Adafruit 814 (as used in the instructions) and followed the instructions through and it worked first time!

    Note also that this adapter seems to get enough power from the Pi's USB port - no need for a powered USB hub as well which, apparently is needed for some other adapters.
    (Posted on 18/01/2016)

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