Check the listing for details. TFE731 deec download cable set learjet, westwind , hawker, falcon, citation. Condition: New. Listed at 700.00 USD. TFE 731 deec dowload cable for learjet 31 , Learjet 35 , Learjet 55, westwind, hawker , falcon, citation etc.., NEW! included: connector and harness, modem and 29 to 9 pin d sub connector. I dont include 9 pin to usb as it can be picked up locally from frys , best buy etc. for cheap. It depends on your laptop. some people use the D sub 9 pin and some people use usb. please feel free to contact me with any questions! Software can be found on Honeywell myaerospace website thanks. Give me a call for more info. 760-219-7878 I also have download cable for falcon 900EX and G150 , Astra. $700.00 I also have download cable for Learjet lear jet 40 45 series. $1200.00 I also have download cable for Learjet, lear jet 70 75 series. $1200.00