Raspberry Pi 4 Model B demo board with 4 GB RAM and a 1.5 GHz Broadcom processor. It includes built-in Bluetooth, Wi‑Fi 802.11b/g/n, 10/100/1000 Mbps Ethernet, TF-card support, two USB 2.0 ports and HDMI-compatible/RCA output - a compact ARM-based development board.