Waveshare Dual ETH Mini-Computer for Raspberry Pi CM4, Gigabit Ethernet, 4CH Isolated RS485 Specifications 1. CM4 Socket: Available on all variants of Compute Module 4 2. Network: Gigabit Ethernet RJ45 connector, 100M Ethernet RJ45 connector 3. USB: USB 2.0 Type A x 2 4. Connector: Isolated RS485 x 4, power screw terminal x 1 5. Camera: MIPI CSI-2 port x 2 (15pin 1.0mm FPC connector) 6. Video: HD-MI interface x 1, support 4K 30fps output 7. RTC: Real Time Clock with Battery Socket and Ability to Wake Compute Module 4 8. Storage: MicroSD card slot for Compute Module 4 Lite (no eMMC) variant 9. Fan head: allow 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. Dimensions: 123 x 98 x 32mm Package List 1. CM4-ETH-RS485-BASE-B x 1 2. Metal case (top and bottom) x 1 3. Fan x 1 4. 12V 2A Power Supply x 1 5. Screwdriver x 1 6. Antenna connector rubber plug x 1 7. Screws pack x 1