Let me start by saying this little gadget has been a lifesaver during my travels. The WDINLY 4G LTE USB Modem Dongle is about the size of a flash drive but packs serious connectivity power. I've used it everywhere from coffee shops to airports, and it's surprisingly reliable in areas with weak signals.

The setup is dead simple - just plug it into any USB port and you're good to go. No drivers needed for Windows, which is fantastic. I particularly love the adjustable antenna that lets you tweak the angle for better reception. The built-in WiFi hotspot supporting up to 10 devices means my whole travel group can stay connected.

Performance-wise, I've gotten consistent speeds around 30-50Mbps download in urban areas, which is perfectly adequate for streaming and video calls. The signal does drop occasionally in remote locations, but honestly performs better than my smartphone in most cases.

Now for the not-so-great parts: The Mac compatibility is practically non-existent despite claims otherwise. I spent hours trying different drivers without success. Also be warned - the SIM card compatibility can be hit or miss. It worked perfectly with my T-Mobile SIM but friends had issues with other carriers.

The web interface feels outdated and clunky compared to modern routers. Changing settings requires patience, though once configured you rarely need to touch it again.

For frequent travelers who need reliable backup internet (and use Windows), this is a solid choice at its price point. Just don't expect flawless performance or easy Mac support.