Realtek 8188gu Wireless | Lan 802.11n

| Pros | Cons | | :--- | :--- | | Extremely cheap ($5–$10) | Slow (150 Mbps max) | | Low power consumption | No 5 GHz band (crowded) | | Works on many legacy OSes | Difficult Linux driver installation |

For Windows 10/11, it’s plug-and-play. For everyone else, proceed with caution. Q: What is the maximum speed of the Realtek 8188GU? A: It supports 802.11n with a theoretical maximum of 150 Mbps . Actual speeds will be lower depending on distance, obstacles, and network congestion. realtek 8188gu wireless lan 802.11n

A: No. This chip is 2.4 GHz only . It will not see 5 GHz networks. | Pros | Cons | | :--- |