Good news: The ITULC25 works out-of-the-box on most modern Linux kernels (5.0+). If not:
Intex Wireless USB Adapter IT-ULC25 is a legacy networking device used to provide wireless internet access to computers. Because this is an older model, finding official drivers directly from the Intex Technologies website can be difficult as their current focus has shifted to consumer electronics like LED TVs and home appliances. Intex Technologies Driver Installation Options Windows Update (Recommended): Intex Wireless Usb Adapter Itulc25 Driver