Missing the antenna. Fits in PCIe x 4 The Ralink RT3090 PCI-E Wireless WiFi Card, model RT3090PCIE-C1, is a universal half mini PCIe card that offers wireless connectivity with a maximum data rate of 150 Mbps. It is compatible with various brands and standards, including IEEE 802.11b/g/n. The card is ideal for computers and laptops looking to upgrade their WiFi capabilities with a reliable and fast connection. Designed by Ralink Technology Corp, this unit is a great addition for those looking to enhance their network interface with a single port.
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