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Small black USB Wi-Fi dongle with fold-up 5dBi antenna

SMUGDESK

SMUGDESK AC650 USB Wi-Fi Adapter 650Mbps Dual Band 2.4/5GHz 5dBi Antenna 802.11ac

SKU CH-D5AR-ZWCQM

Adds dual-band 2.4 and 5GHz Wi-Fi at 650 Mbps with a 5dBi antenna for desktops and laptops running Windows 7, 8, 10 or 11

  • Up to 650Mbps throughput with 802.11ac standard
  • Dual-band 2.4GHz and 5GHz for flexible coverage
  • 5dBi external antenna extends wireless range
  • Works with Windows 10, 11 and older versions
  • Compact USB plug-and-play design for quick setup

Dual-Band USB Adapter for PCs Without Built-In Wi-Fi

The SMUGDESK AC650 adds 802.11ac wireless to desktops and laptops lacking an internal module. It connects via a standard USB port and supports Windows Vista, XP, 7, 8, 10 and 11. The 5dBi detachable antenna improves reception sensitivity for a more stable link.

Sustained Throughput on 2.4 GHz and 5 GHz Bands

On the 2.4 GHz band the adapter maintains wider coverage for everyday browsing and email. Switching to 5 GHz reduces local interference, keeping video streams and online games responsive during extended sessions. Dual-band operation lets the user pick the cleaner frequency for the task.

Replaces Missing or Failed Internal Wireless Cards

This USB adapter upgrades systems that have no Wi-Fi hardware or a broken internal card. The jump is worth it when running a cable is impractical and a simple plug-in solution restores network access immediately. It is not suited for buyers who need wired Ethernet speeds or multi-gigabit wireless throughput.

Highlights

  • Up to 650Mbps throughput with 802.11ac standard
  • Dual-band 2.4GHz and 5GHz for flexible coverage
  • 5dBi external antenna extends wireless range
  • Works with Windows 10, 11 and older versions
  • Compact USB plug-and-play design for quick setup

Specifications

No published specifications for this item yet.

Questions about this item

Does the 5 dBi antenna on the AC650 run hot or draw extra power when used continuously all day?

The adapter is a passive USB device with no active cooling and no published power-draw figure; it runs cool during extended use.

Which USB port type must my computer already have for the AC650 to work?

Any standard USB-A port on a desktop or laptop is sufficient; no additional hardware is required.

Will the 802.11ac adapter connect reliably to my older 2.4 GHz-only router?

Yes — the dual-band radio falls back to 2.4 GHz automatically, so it works with legacy single-band networks.

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