Intel has announced the XMM 7560, a competitor to Qualcomm's X20 Gigabit LTE modem. The XMM 7560 should offer transfer speeds of up to 1Gbps, be compatible with networks worldwide, and will see wide-scale release in 2018.
http://www.notebookcheck.net/Intel-announces-new-gigabit-LTE-modem-for-laptops-phones-and-other-devices.198298.0.html