You build us a Modbus TCP client or master driver as a component that may be used in other applications for IOS. Support Wi-Fi, Cell network access. Support Modbus function codes 1-16 and 32-bit variables as a single entity also. Training for our personnel 40 hours so they can do minor updates. We shall own the rights & the source code for this. Full documented source code with no encumbrances be supplied on weekly basis by you to us. We can show examples we have done in MS Visual Studio for Windows, if required. We are flexible on the budget. Please show us your work similar to this if done previously.