Features:L850-GL is M2- form factor high-end LTE wireless commumication module which support LTE-FDD,LTE-TDD, WCDMA.Adopting M2- interface with a size of approx 30x40x2.3mm,widely used in consumer electronics laptop tablets With downlink speed of up to 450Mbps and uplink=speed of up to 50Mbps.L850-GL is the perfect cellular solution for world traveler devices that need top connectivity-speed anywhere LTE is present. It is a top application choice for you to upgrade- forThinkPad from lower speed modules. Specifications:Model:L850-GL 4G LTE forLenovo LaptopMeasurement:approx 30x40x2.3mm/1.18x1.57x0.09inFRU 01AX792Max-Transfer Rate: 450MbpsCellular Protocol: LTEDesigned For THINKPAD-X280-TYPE-20KF-20KETHINKPAD-X1-CARBON-6TH-GEN-TYPE-20KH-20KGTHINKPAD-T480-TYPE-20L5-20L6THINKPAD-T480S-TYPE-20L7-20L8THINKPAD-T580-TYPE-20L9-20LATHINKPAD-P52S-TYPE-20LB-20LCTHINKPAD-X1-YOGA-3RD-GEN-TYPE-20LD-20LE-20LF-20LGTHINKPAD-X380-YOGATHINKPAD-L480-TYPE-20LS-20LTTHINKPAD-L580-TYPE-20LW-20LXTHINKPAD-P52-TYPE-20M9-20MATHINKPAD-A485-TYPE-20MU-20MVTHINKPAD-A285-TYPE-20MW-20MX Note:Due to the light and screen difference, the item color may be slightly different from the pictures.Please allow 0.5-2cm differences due to manual measurement. Package includes:1PC x L850-GL LTE 4G- Network-Card2PCS x Built-in Antennas