The PANTECH UML290 Connection Manager Port driver is software that allows your Windows computer to interact with the Pantech UML290, a mobile broadband USB modem. This driver and its associated software are necessary for your computer to recognize the device, establish a connection to the internet, and manage network settings such as connection preferences, usage statistics, and device settings.

The Pantech UML290 is typically used for mobile broadband (3G/4G LTE) internet access. The driver ensures proper communication between the modem and your computer, and the Connection Manager is an application that helps users manage network connections.