One of the bigger challenges of spreading LTE has been size; going 4G has tended to put on a little weight. A new Sierra Wireless embedded modem, the AirPrime EM7700, could be just the ticket to shedding those pounds. It's reputedly the thinnest module ever made, at a tenth of an inch deep, and should slot into an Ultrabook or tablet without anyone making snide comments about the extra bulk. The EM7700 is still using the Qualcomm MDM9200
