PCIe To M. 2 E KEY HAT Designed for Raspberry Pi 5, Compatible With Various NGFF (M. 2 E Key) Wireless NIC; Connecting To PI5 Via 16PIN Cable. Based On 16PIN PCIe Interface Of Raspberry Pi 5; Compatible With Wireless NIC. Suitable For A/E Key And E Key; Various Wireless NIC Support. Supports Inputting Bluetooth Signal Into The Raspberry Pi Via USB Interface; Onboard SMA Female Antenna Connector. For Easy Antenna Mounting