Features: new and high quality, every item is checked carefully before shipping Slide this mini PCI for Express card into an available slot for wireless data transfer rates of up to 150 Mbps. With higher capacity, broader coverage, and longer battery life. Very easy to install, no for extra driver or power require. Dramatically reshapes your connected experience at home, work or on the go. Specifications: Interface: MINI PCI-E Connectivity: Wireless Standard: 802.11 b/g/n Chip: AR5B195 Model: DW1702 Size:approx 2.7X3cm/ 1.06X 1.18in Bluetooth-compatible 2.1 + EDR and Bluetooth-compatible 3.0 + HS Update to 150Mbps for: 3350 3450 3550 3750 v130 v131 1440 1450 Inspiron: 11z 1121 m4040 m4050 m5040 n5040 n5050 for DELL XPS: L702X L502X L511Z L412Z 14R 15R N4010 N5010 Not for other laptop Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1X Network Card