DP900 Wireless Drag system
Download DP900-v996 ....Sept 29, 2023
Download USB driver (cp2104) required to communicate with wireless box
This zip file contains a lot of stuff as shown below and can be confusing, please just run 
Trackmate Time Slip Printer How to Install
Older Versions of the Software
Download DP900 v985 .... April, 2023
Auto Pairing of Racers
this is a paid option
Youtube Video on how to use the Bracket which is for auto pairing of racers
This is an add-on, You should also watch video to see how names and cars are added.