Description Processor: Broadcom BCM2837B0, Cortex-A53 64-bit SoC @ 1.4GHz. Memory: 1GB LPDDR2 SDRAM. Connectivity: 2.4GHz and 5GHz IEEE 802.11.b/g/n/ac wireless LAN, Bluetooth 4.2, BLE; Gigabit Ethernet over USB 2.0 (maximum throughput 300 Mbps);4 × USB 2.0 ports. Access: Extended 40-pin GPIO header. Video & Sound: 1 × full-size HDMI；MIPI DSI display port；MIPI CSI camera port；4 pole stereo output and composite video port. Multimedia: H.264, MPEG-4 decode (1080p30); H.264 encode (1080p30); OpenGL ES 1.1, 2.0 graphics. SD card support: Micro SD format for loading operating system and data storage. Input power: 5V/2.5A DC via micro USB connector；5V DC via GPIO header；Power over Ethernet (PoE)–enabled (requires separate PoE HAT). Environment: Operating temperature, 0–50°C.
