My name is CM4-ETH-RS485-BASE-B, which is an expansion board that can be used with Raspberry Pi Compute Module 4, and supports a 7-36V DC power supply and 5V DC-DC power supply of Typc-C interface. Onboard four isolated RS485 interfaces, 100M+1000M dual network ports, HDMI interface, two CSI interfaces, two USB interfaces, etc…
Packages Includes:
1 x Waveshare Dual ETH Quad RS485 Base Board (B) for Raspberry Pi Compute Module 4c
Official Raspberry Pi 5 Active Cooler
Raspberry Pi Camera Module 3 NoIR
ACEBOTT QD010 Wireless Controller for Robot Car kit with Bluetooth Controller Expansion Pack
RTL8188 Mini USB wireless Network Card 300Mbps Wifi Dongle
ODYSSEY – STM32MP157C Raspberry Pi 40-Pin Compatible with SoM
Fatshark ImmersionRC SpiroNet 5.8GHz SMA Antenna 








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