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Black USB 3.0 Wi-Fi adapter with fold-up 5dBi antenna

SMA

SMA USB 3.0 Wi-Fi Adapter 1200Mbps 5dBi Antenna

SKU CH-G1R8-8AAD3

USB 3.0 dual-band wireless adapter delivering up to 1200 Mbps with a 5 dBi external antenna for wider coverage

  • TypeUSB Wi-FI Adapter
  • ColorBlack
  • Wireless Data Rates1200Mbps
  • InterfaceUSB 3.0
  • Frequency Band2.4 GHz / 5 GHz
  • AntennaDual Band Antenna
  • Dual-band 2.4 GHz and 5 GHz Wi-Fi for flexible connections
  • USB 3.0 interface up to 5 Gbps, ten times faster than USB 2.0
  • External 5 dBi antenna for stronger signal penetration and wider coverage
  • Broad OS support from Windows XP to 10, Mac OS X 10.5–10.13 and Linux
  • Realtek 8812BU chip delivers up to 867 Mbps on 5 GHz and 300 Mbps on 2.4 GHz

Dual-Band USB 3.0 Wi-Fi Adapter

This SMA wireless adapter adds dual-band Wi-Fi to desktops and laptops through a USB 3.0 port. It delivers up to 1200Mbps combined data rates using 802.11ac technology. A 5dBi external antenna improves signal penetration and extends coverage range. The device supports Windows from XP to 10, Linux distributions and Mac OS X 10.5 to 10.13.

Upgrade from USB 2.0 or Single-Band Adapters

The USB 3.0 interface provides up to 5Gbps throughput, which is 10 times faster than USB 2.0. Dual-band operation reaches 867Mbps on the 5.8 GHz band and 300Mbps on the 2.4 GHz band. The jump is worth it when your router supports 5 GHz and you need more stable connections for streaming or gaming. The adapter cannot increase the speed of your existing router beyond its own limits.

Best for PCs Lacking Modern Wi-Fi

This adapter suits users who need to add 5 GHz capability to older hardware or replace a failed internal wireless card. It works well for desktop towers where the antenna can be positioned for optimal reception. Buyers who need Bluetooth connectivity should look elsewhere. Systems without a free USB port or those requiring internal PCIe installation will need a different solution.

Highlights

  • Dual-band 2.4 GHz and 5 GHz Wi-Fi for flexible connections
  • USB 3.0 interface up to 5 Gbps, ten times faster than USB 2.0
  • External 5 dBi antenna for stronger signal penetration and wider coverage
  • Broad OS support from Windows XP to 10, Mac OS X 10.5–10.13 and Linux
  • Realtek 8812BU chip delivers up to 867 Mbps on 5 GHz and 300 Mbps on 2.4 GHz

Specifications

TypeUSB Wi-FI Adapter
ColorBlack
Wireless Data Rates1200Mbps
InterfaceUSB 3.0
Frequency Band2.4 GHz / 5 GHz
AntennaDual Band Antenna

Questions about this item

How much space does the 253 mm length with the 5dBi antenna require behind my USB 3.0 port?

The adapter body measures 46 x 22 x 8 mm without the antenna and 253 x 22 x 8 mm with the 5dBi external antenna attached.

Which driver step is often missed when installing the Realtek 8812BU chip on Windows 10 64-bit?

Run the setup program from the included CD before plugging the adapter into a blue USB 3.0 port; skipping the CD install leaves the device unrecognised.

When should I replace the 5dBi external antenna if the 5 GHz link drops to 300 Mbps?

Replace the antenna if physical damage or connector wear reduces 5 GHz throughput below the 867 Mbps ceiling while the router and USB 3.0 port remain unchanged.

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