Realtek Rtl8188cu Wireless Lan 80211n Usb 20 Network Adapter (2027)

Realtek RTL8188CU compact 802.11n Wi-Fi adapter capable of speeds up to

Antenna Configuration: 1T1R (1 Transmit, 1 Receive) with a single spatial stream. Interface: USB 2.0 (backward compatible with USB 1.1). realtek rtl8188cu wireless lan 80211n usb 20 network adapter

But... should you keep the one in your drawer? Realtek RTL8188CU compact 802

• You stream 4K video or game online (the latency on 2.4 GHz can be high).
• You have a high-speed internet connection (300 Mbps+).
• You live in a crowded apartment complex with heavy Wi-Fi interference (you need 5 GHz support).

Is It Still Worth Buying in 2025?

Generally, no. You can find a modern USB 3.0 AC1200 (802.11ac) adapter for under $15, which will offer 5 GHz support, triple the speed, and better driver stability. You stream 4K video or game online (the latency on 2

Security Protocols: WPA, WPA2, WEP (64/128 bit), and 802.1x.

Security: Supports 64/128-bit WEP, WPA, and WPA2 (TKIP/AES) encryption.

The Spec Sheet (A blast from the past)

Let’s get the numbers out of the way: