If you want WWAN it is possible to add it by purchasing the WWAN antenna and EM7345 WWAN card via the IBM spare parts for Lenovo web site. They ship via overnight delivery and the parts are currently in stock. The antenna part number is 00HW289. The card is 04X6014. Here is the link to order. IBM Maintenance parts Click on the "Order from the retail store" link or call the 800 number. You will need to get a MicroSIM card and service from AT&T, Verizon or T-Mobile. The Lenovo Thinkpad Maintenance Manual explains how to install the parts. Here is the link. http://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles_pdf/thinkpad_10_hmm_en.pdf You also need an M1.6 x 2mm screw to hold the WWAN card in place. It is mentioned in the manual. It comes in the screw kit which is part number 00HW307. Alternatively, you may be able to find the screw locally. After installing it two EM7345 devices will appear in device manager, the modem and the GNSS. You need to download and install the driver for the GNSS device from this link. http://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles/gtwo11ww.exe Hope this helps!