Two days ago Telit LE920A4 modem support in the option driver has been merged into master and should be available in the next rc version. The LE920A4 is an automotive grade LTE modem capable of 150 Mbps in downlink and 50 Mbps in uplink and full fallback compatibility with HSPA+, EDGE and GSM/GPRS.
Source: Telit LE920A4 now supported in Linux kernel