650M-1300Mbps 2.4G&5G Dual Band USB Wireless Wifi Adapter RTL8811/RTL8812 802.11AC High Speed Network Card For Laptop Desktop PC
ID: 39126

650M-1300Mbps 2.4G&5G Dual Band USB Wireless Wifi Adapter RTL8811/RTL8812 802.11AC High Speed Network Card For Laptop Desktop PC

4.9 (1247 votes) | 2483 orders
Price: US $23.13 - 30.91 / piece
Discount Price:
US $ 9.95 - 10.14 / piece

650M-1300Mbps 2.4G&5.8GHz USB Wireless Wifi Adapter High speed Network Card RTL8811CU/RTL8812BU Dual Band 802.11AC Antenna For Laptop Desktop

1. Support 2.4&5.8GHz Dual Band: Alternative 11AC(5.8G) and 11N(2.4G) connections for TV shows, HD movies, streaming, and online gaming to avoid wireless interference.
2. Mini and portable design: easy carrying, helps you enjoy stable high-quality Wireless life anywhere and anytime.
3. Wireless Internet Access on Desktop: No need to messy network cables any more. Makes your environment clean and tidy.
4. Support analog AP function: Can set on AP mode when connected to the Internet and provide WiFi to mobile phone/Pad.

650Mbps 811AC Specifications:
Chipset: RTL8811CU
Interface Type: USB2 .0
Transmission Rate: 2.4GHz: 200Mbps, 5.8GHz: 433Mbps
Wireless Standards: IEEE 802.11ac/n/g/b/a
Encryption: WEP Encryption, WPA-PSK, WPA2-PSK, WPA/WPA2
Supports for Window XP/ Vista/ 7 / 8/ 8.1/ 10; MacOS10.6~MacOS10.15

1200Mbps 812AC Specifications:

Chipset: RTL8812BU
Interface Type: USB3.0
Transmission Rate: 2.4GHz: 400Mbps, 5.8GHz: 867Mbps
Wireless Standards: IEEE 802.11ac/n/g/b/a
Technology: Support MU-MIMO
Encryption: WEP Encryption, WPA-PSK, WPA2-PSK, WPA/WPA2
Supports for Window XP/ Vista/ 7/ 8/ 8.1/ 10; MacOS10.9~MacOS10.14
Package content:
1* Wireless Adapter
1* CD Drive
1* Guarantee Card
Warm tips:
Dear customer, if the CD driver can not be used, you can also download it from our official website.


Q1: My PC/Laptop don't support CD driver, how do I install the driver?

A: If your device does not have a CD driver, please kindly download the driver from COMFAST Official Website or contact Customer Service.

Q2: Why do I get a driver error when I install the driver?

A: Please check whether the driver you installed is corresponding to your device's system.

Q3: After the driver installation is completed, the adapter cannot be searched?

A: Restart the computer after installation.

Q4: Does this adapter support TV/ TV Box?

A: Sorry, this device will only work when plugged into supported systems. Other devices such as TV, TV BOX, Printer, etc. which have USB ports, they don't have the necessary drivers to support this adapter.

If the above Q&A cannot solve your problem, please feel free to contact us!

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  • Brand Name: comfast
  • Transmission Rate: 10/100Mbps
  • Certification: CE
  • Origin: CN(Origin)
  • Kind: External
  • Type: wireless
  • Lan Transmission Rate: ETHERNET
  • Application: Desktop
  • Wireless Protocol: 802.11n
  • Wireless Protocol: 802.11ac
  • Wireless Protocol: 802.11a/g
  • Adapter Socket: USB
  • Interface Type: USB2.0
  • Wi-Fi Supported Frequency: 2.4G & 5G
  • Transmission Speed: 600 Mbps
  • Package: Yes
  • Applicable Network Type: ETHERNET
  • Model Number: CF-811AC/CF-812AC
  • CF-811AC Chipset: RTL8811CU
  • CF-811AC Transmission Rate: 650Mbps
  • Wireless Protocol: 802.11a, 802.11b, 802.11g
  • Frequency Range: 2.4GHz&5GHz
  • Support OS: Win XP / Vista/ 7 / 8 / 8.1 / 10 ;MacOS10.6~MacOS10.15
  • CF-812AC: USB3.0
  • Function: Wifi Adapter/Wifi Receiver/Access Point
  • is_customized: Yes
  • Products Status: Stock
  • Support: Support Drop Shipping
  • Transmit Power: 17dBm(Max)
  • Antenna: Built in 2dBi Antenna
  • Wireless Standard: IEEE802.11a/b/g/n/ac
  • Warm tips: 64bit system and win 10 are not support soft AP
  • Encryption: WPA-PSK/WPA2-PSK; WPA/WPA2; WEP
  • CF-812AC Chipset: RTL881BU
  • Feature: Mini and portable design
  • Usage: For laptop; Desktop
  • Function: WiFi Receiver, WiFi Transmitter
  • Type: WiFi Dongle
  • CF-812AC Transmission Rate: 1300Mbps


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time(60 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve receive you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of CNTRONIC Consumer Electronics Retailer (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of cntronic.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (60 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.



Thank you for your interest doing business with us!

If you would like to get a discounted price for your large purchase orders, fill in the required blanks along with your email address, the product Item ID # and/or the link of the item that you want to order, item quantity (minimum of 30 pieces), shipping country and payment method is required. We will contact you with a discounted price as soon as we receive your inquiry.

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