Check the listing for details. Digirig DR-891 - digital modes interface for Yaesu FT-891. Condition: New. Listed at 89.00 USD. Digirig DR-891 is USB digital modes interface kit for Yaesu FT-891 including transceiver cables. USB-C cable is required and not included in this listing.Supports complete connectivity of your Yaesu FT-891 (audio, PTT, CAT) over a single USB connection.Combines USB hub with passthrough to FT-891’s USB port, audio codec and PTT circuitry.Supports PTT via serial CAT control.Supports PTT by GPIO3 of CM108 audio codec.Supports VOX PTT by the tone or payload on the unused right channel.Individual PTT methods can be disabled with the configuration pads on the PCB.Works with all major OS flavors: Windows, MacOS and Linux, Android, iOS.Audio/PTT (black) TRRS socket is compatible with existing Digirig audio cables.Isolation can be easily added using inexpensive USB isolator dongle. This version of Digirig can be used with other transceiver models if only audio/PTT cable is connected. Do not plug anything into Digirig’s colored socket other than the cable with the red molding included in this kit.