Field Update Cable for uAvionix AV-30's Multimode Indicators.
Compatible with Certified and Experimental models.
2 feet long for easy access for Service Bulletin software updates.

*Not designed for permanent installation.
*Highly RECOMMEND USE OF A PC with a Built in Serial Port.
*Serial to USB cable not included.
*Only supports Sabrent USB to serial adapter Here is the link. https://www.ebay.com/itm/285481170893
(Connector back shells may vary based on supply and availability)
*No Money Refunds, Replacement only.

How it works watch video below

https://www.youtube.com/watch?v=lbU8XtFkf5Q