Lan Transmission Rate: Ethernet Application: Laptop Wi-Fi Supported Frequency: 2.4G & 5G Model Number: BCM943228 Interface Type: Mini PCI-Express Kind: Internal Color: white + green Material: ABS Adapter Socket: Mini PCI-E Applicable Network Type: Fast Ethernet Type: Wireless description: BIOS: For IBM Type: Wi-Fi 802.11b / g / n (2.4 + 5 GHZ) up to 300 Mbps Bluetooth: 2.1, 2.1 + EDR, 3.0, 3.0 + HS, 4.0 Condition: Compatible with: E130 E135 E330 E335 E530 E535 E430 E435 S430 B430 S230U T430U X131E Package Contents: 4 * Network Card 8 * Screw Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.