Full description - https://ra0sms.com/icom-civ-bandecoder/

The device allows you to switch external switches depending on the band selected in the transceiver. The unit also has separate relay outputs that are activated when CW or PHONE modulation is selected. The STOP button stops any switching, it must be latching.

Power supply: 12-15VDC

Consumption current: ~50mA (12VDC)

Dimension: 100*80mm

Baud rate: 19200 kb/s

Switched external voltage: GND, Positive or negative voltage

Switched max current: 500mA

Outputs: 2 relay outputs, relay output for CW and PHONE mode (USB, LSB, FM, AM)

COM1 and COM2: inputs for external voltage source

CI-V: input and output for CAT system to/from Icom. They are the same.