Realtek Rtl8188cu Wireless Lan 80211n Usb 20 Network Adapter Verified [OFFICIAL]
The Ultimate Guide to the Realtek RTL8188CU Wireless LAN 802.11n USB 2.0 Network Adapter (Verified)
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Do rely on Windows Update. Instead:
| Metric | Theoretical Max | Verified Real-World | | :--- | :--- | :--- | | Throughput (close range) | 150 Mbps | 85–110 Mbps | | Throughput (30 ft, wall) | 150 Mbps | 45–65 Mbps | | Latency (ping to router) | <1 ms | 2–4 ms | | Connection stability | N/A | Dropped packets <0.5% | | Range (external antenna) | 300 ft LOS | 220 ft (stable 10 Mbps) | The Ultimate Guide to the Realtek RTL8188CU Wireless LAN 802
Because the RTL8188CU is popular, counterfeit chips (e.g., MediaTek MT7601 disguised via USB descriptor) flood Amazon and eBay. In Device Manager > Driver tab
- In Device Manager > Driver tab.
- Genuine Realtek drivers are dated 2013 or later.
- If the driver date is 2006 (Microsoft generic), your adapter is fake or improperly installed.
