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