The PCIe To M.2 E KEY HAT (D) is specifically designed for Raspberry Pi 5, enabling seamless integration of various NGFF (M.2 E KEY) wireless network interface cards. This versatile expansion board connects to your Pi 5 through a 16PIN cable, utilizing the board's PCIe interface for high-speed data transfer. The HAT is compatible with both A/E KEY and E KEY modules, providing flexibility for different wireless NIC configurations. It supports Wi-Fi 7 technology with tri-band connectivity across 2.4GHz, 5GHz, and 6GHz frequencies, delivering impressive speeds up to 5800Mbps. The board features Bluetooth 5.4 capability with USB connection support, allowing you to input Bluetooth signals into your Raspberry Pi via the included USB adapter cable. With its compact dimensions of 0.87 x 1.18 x 0.09 inches and lightweight design at just 0.119 pounds, this HAT mounts conveniently on top of your Raspberry Pi 5. It supports MU-MIMO technology for enhanced wireless performance and is compatible with Windows 10/11 and Linux operating systems. The IPEX 4 connector ensures reliable antenna connections for optimal signal strength.