Will it work with Kenwood TS-590?
Yes, your model is on the list.
Compatible radio models include Kenwood TS-440, TS-480, TS-570, TS-590, FT-100D, FT-450, FT-747, FT-757, FT-817, CODAN, Elecraft K2, Elecraft K3, Ten-Tec Eagle, Ten-Tec Paragon II, Ten-Tec Orion, Ten-Tec Jupiter, etc.
I have a TS-590SG ~ will Omni- Rig work on the USB port with this and will it communicate at max bps [115200] Thanks