The Waveshare 19883 is metal case with cooling fan and Waveshare CM4 POE IO Board that makes it easy to build a mini-computer with a Raspberry Pi Compute Module 4 (NOT Included).

for reference only, CM4 and antenna are NOT included.
Comparing The Expansion Boards
Rich Peripheral Connectors
Onboard Connectors Including CSI/DSI/RTC/HDMI/USB/ETH/TF Card

Precise Cut-Out With Clear Label
Each Cut-Out Is Completely Aligned With The Connector

Cooling Fan Included
Comes With Cooling Fan, Combined With The Airflow Vent, Better Heat Dissipation

Wall Mount Support
Wall Mount Holes On Two Sides, Handy For Mounting

Application Examples
Binocular Vision, PoE Powered Raspberry Pi Projects, Or Other Industrial Context

for reference only, display and cameras are NOT included.
Outline Dimensions
