Waveshare Dual ETH Quad RS485 Base Board B for Raspberry Pi CM4, Gigabit Ethernet

1. CM4 socket: Suitable for all variants of Compute Module 4 2. Networking: Gigabit Ethernet RJ45 connector, 100M Ethernet RJ45 connector 3. Connetor: Isolated RS485 x 4, Power screw terminal x 1 4. USB: USB 2.0 Type A x 2 5. Cacmera: MIPI CSI-2 port x 2 (15pin 1.0mm FPC connector) 6. Video: HDMI port x 1, supports 4K 30fps output 7. RTC: Real-time clock with battery socket and ability to wake Compute Module 4 8. Storage: MicroSD card socket for Compute Module 4 Lite (without eMMC) variants 9. Fan header: Allows speed adjustment, 5V 10. Indicator: Power indicator x 1, CM4 status indicator x 1, User LED x 2, RS485 communication indicator x 8 11. Power input: 7-36V 12. Dimension: 93.6 x 108.8mm