Let me start by saying this little USB-C dongle delivers on its promise of blazing-fast 5G speeds... when it feels like cooperating. I've been using it for three months as my primary travel internet solution, and it's been a rollercoaster of 'wow' moments and facepalms.
The plug-and-play setup is genuinely impressive - no drivers needed for my MacBook Pro. Just inserted the included T-Mobile SIM (after jumping through their activation hoops), and boom - instant internet. The 2.5Gbps speeds are no joke when they work; I've downloaded massive project files in seconds at airports.
However, the random disconnections are maddening. Like other reviewers, I experience drops every 30-45 minutes, usually during important Zoom calls. The device does this weird reboot dance where the LED blinks rapidly before reconnecting. Tri Cascade's support basically shrugged when I complained, saying Macs 'don't provide enough power' - despite marketing it as Mac-compatible!
The security benefits are real though. No more sketchy hotel Wi-Fi or battery-draining phone hotspots. The direct cellular connection feels solidly encrypted, though I wish they'd clarify those 'NDAA Certified' claims given the China manufacturing.
Carrier compatibility is hit-or-miss. Works great with T-Mobile (obviously) and Verizon (minus their fastest n66 band). AT&T users beware - they'll actually suspend your service if you try using this!
The compact design is perfect for travel - slips into my laptop sleeve without adding bulk. But that convenience means nothing when you're mid-presentation and suddenly see 'No internet connection'...
The verdict? If you need occasional mobile internet for basic browsing between coffee shops, it's decent. For mission-critical work? Look elsewhere until they fix these stability issues.