Features: Onboards SMA Antennas connectors. Supports USB Bluetooth-compatible connection Base on 16PIN PCIe Interfaces for RPi 5. Standard 40PIN GPIO header, allows connecting other HATs. Providing both Networking connection and power supply for RPi in one cable. 5V header provides up to 4.5A output (25W for 12V+5V total output power) be able to power extra devices while providing stable power. Attach the tape first, then install the metal heatsink and fix the HAT Specifications: Component:PCB Size:Approx.8.50cm/3.35inch Package Includes: 1 Set Converters Board note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.