NXP Semiconductors today announced it's set to launch the world's first 4G mobile modem, called the Nexperia Cellular System Solution PNX6910. The modem uses soft architecture to achieve claimed download speeds of 150Mbps and 50Mbps upload speeds. When it launches, it will be capable of supporting the LTE, HSPA, UMTS, EDGE, GPRS and GSM networks in