Amazon offers the TP-Link 802.11n USB Wi-Fi Adapter (TL-WN821N) for $12.89 Prime shipped. Normally closer to $20 at retailers like B&H, this is a new all-time low at Amazon and is the best available. If you have an older computer that no longer has Wi-Fi due to a wireless card failing, or want to add wireless capabilities to a machine that doesn’t have them, this is a great option. 68% of customers left a 4+ star review.
TP-Link 802.11n USB Wi-Fi Adapter features:
- USB WiFi Adapter: 802.11N N300 speed allows for great video streaming and internet calling experience
- Increased Range: Dual internal antennas deliver enhanced reception and transmission performance
- Secure WiFi: Easy one-touch wireless security encryption with the Quick Security Setup button
- Industry Leading Support: 2-YEAR WARRANTY AND FREE 24/7 TECHNICAL SUPPORT; If you have any problems when using, just contact us and we will Give You A Replacement or Refund Unconditionally; JD Power Ranked TP-Link “Highest in Customer Satisfaction for Wireless Routers in 2017”
- Compatibility: Windows (XP/7/8/8.1/10) – Mac OS (10.6~10.11) – Linux Kernal (2.6.18~3.10.10)
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