Download and install ALFA NETWORK Inc. Realtek RTL8187 Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter - driver id 1378344
How to install Toshiba Satellite L40 B14 Wireless Adapter ( ID 0bda:8197 Realtek Semiconductor Corp. RTL8187B) on Ubuntu and Debian Linux - ☩ Walking in Light with Christ - Faith, Computing, Diary
Recommended tested Hardware – Superb Wifi WLAN Adapter Chipset Atheros AR9285 Mini PCIE for GNU Linux Debian 10 Ubuntu and Trisquel 8.0 test run on Lenovo t440 and LibreBooted Lenovo x60s –
RTL8187 Wireless Driver Windows 10/11 x64 Download | Device Drivers