Will the Cortex Onboard app have VHF listening? Follow Currently this is not supported by the Cortex Onboard app, but it is on our development roadmap to explore. Related articles How long does the Cortex Handset battery last and can it be replaced? Is the Cortex Handset capable of wireless charging? Can I program the MMSI number Cortex myself? Is the barometer output over NMEA 2000? Will the XB-8000, Vision and Cortex work with the Furuno wireless radar DRS4W.