Sierra Wireless has unveiled a pair of new WiFi hotspots at MWC 2011 in Barcelona. Known as the AirCard 753S and 754S, both wireless devices are made to be lightweight for portability. The AirCard 753S and 754S feature an LCD screen that shows at battery life, network strength and the connection status. These gadgets also have audible alerts for status of the device and more. The difference between the two devices is that the 754S supports 4G LTE networks and the 753S is a 3G only device. The AirCard 753S is perfect for up to 42Mbps download and 5.76Mbps upload on DC-HSPA+ networks, while the 754S is good for up to 100Mbps download and up to 50Mbps upload on LTE networks. Too bad, there is no info on pricing at this time. [Sierra Wireless]



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