1T1R (1 Transmit, 1 Receive) with a single spatial stream. Interface: USB 2.0 (backward compatible with USB 1.1).
In terms of performance, the Realtek RTL8188CU wireless LAN adapter delivers reliable and consistent wireless connections. Its 802.11n technology provides better range and coverage compared to older wireless standards, and its support for multiple channels helps to minimize interference from other wireless devices. realtek rtl8188cu wireless lan 80211n usb 20 network adapter
Before troubleshooting, understand what this adapter is designed to do: 1T1R (1 Transmit, 1 Receive) with a single spatial stream