Amazon.com: Lenovo Thinkpad T440 Business Ultrabook High Performance 14in HD Laptop, Intel Dual-Core i5-4300U up to 2.9 GHz, 8GB DDR3, 128GB SSD, WiFi, Windows 10 Pro (Renewed) (128GB SSD) : Electronics
Almost fully working ThinkPad T440 up and running! Just missing wifi. : r/hackintosh
Amazon.com: ASHATA Dual Frequency Wireless Network Card for Intel 7260 AC 867Mbps Special for Lenovo/ThinkPad T440 T440S T440P X230S X240 X240S L440 W540 etc. : Electronics
Amazon.com: Lenovo Thinkpad T440S 14 Inch, FHD Ultrabook Business Laptop Computer, Intel Core i7-4600U up to 3.3GHz, 12GB RAM, 240GB SSD, WiFi, Windows 10 Professional (Renewed) : Electronics
Lenovo Thinkpad T440 Business Ultrabook High Performance 14in HD Laptop, Intel Dual-Core i5-4300U up to 2.9 GHz, 8GB DDR3, 128GB SSD, WiFi, Windows 10 Pro (Used) (128GB SSD) - Walmart.com
04W3830 Lenovo T440P Wireless and Bluetooth Adapter WiFi Card for Thinkpad T440 (20B7)
Lenovo T440 Laptop Computer 4th generation I7 2.1GHz 8GB 250GB Windows 10 Pro and WIFI
Modems EM7345 4G LTE / HSPA Mobile Broadband 4G CARD WWAN Module 04X6014 For Lenovo Thinkpad T440 W540 T440P X240 L540 X250 230725 From Zhong04, $9.91 | DHgate.Com
Lenovo ThinkPad Laptop Computer T440 14" Core i5-4300u 1.9GHz 8GB 500GB Windows 10-64 Home WiFi
How to Manage Wireless on Lenovo Laptops | Columbia College Information Technology