AEM 22 Channel CAN Expander Module - 30-2212AEM 22 channel CAN sensor modules provide a way for users with carbureted vehicles to add an AEM CD digital dash display. They also let users with existing CAN based devices add more channels to the display for viewing and or data logging. These 22 channel modules convert analog, digital, and frequency inputs into an AEMnet CAN bus signal that can be transmitted to AEM's CD 5 carbon and CD 7 digital dashes. AEM Electronics 22 channel CAN sensor module