Summary: Well-designed and reliable, the T-Mobile Sonic 4G Mobile HotSpot makes a very good travel companion.
Pros: The compact and good-looking T-Mobile Sonic 4G Mobile HotSpot offers mobile Internet access for up to five Wi-Fi clients via T-Mobile's 4G and 3G networks. The device has long battery life, works as a tethered modem, features an SD card slot, and supports text messaging.
Cons: The T-Mobile Sonic 4G Mobile HotSpot data speeds could use some improvement, comparatively. Its included limited data plans are rather expensive, and the router's connection speed is throttled when the monthly data caps are reached.