Many older laptops came with internal Wi-Fi cards that only support 802.11g (54 Mbps). Swapping the internal card can be a BIOS nightmare due to whitelist restrictions. Plugging in a USB RTL8188CU dongle is the easiest way to instantly upgrade an old machine to "Wireless N" speeds without opening the chassis.
: The chipset is compliant with IEEE 802.11b, 802.11g, and 802.11n specifications. Many older laptops came with internal Wi-Fi cards
: Windows XP, Vista, 7, 8.1, and 10 (32-bit and 64-bit). and 802.11n specifications. : Windows XP
: It operates exclusively on the 2.4 GHz band and does not support 5 GHz Wi-Fi. Many older laptops came with internal Wi-Fi cards
IEEE 802.11n (Backward compatible with 802.11b/g). Max Throughput: Up to 150 Mbps on a 2.4 GHz band. Interface: High-speed USB 2.0/1.1.
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