ThinkPad SDX55 5G sub6 M.2 WWAN Module is an industry-leading 5G high-speed wireless module adopting the PCI Express M.2 Specification 3042 type Key B slot. With downlink speed of up to 2 Gbps and uplink speed of up to 150 Mbps it is a top application choice for you to upgrade your PC devices from lower speed modules and a perfect cellular solution for travellers who need top connectivity speed on the go.