TCP IP gps listener in node js

I need TCP/IP port listener, which collect the data from GPS tracking devices and store it in MySQL database. It must accept multiple connections at the same time. [login to view URL] sever (communication) software will listen on TCP/IP ports, collect the data from tracking devices and store it on the MySQL database. It must accept multiple connections at the same time (Async). 2. I will share the protocol and the person have to process the GPS String by splitting it ,then store it into database tables, like current speed, current location,Temp, Fuel, and few more... for more information read the attached protocol that i want to be processed ,but make sure this listener should be able to process multiple protocol and i will hire him to integrate further protocols also and will pay for that extra. Person should provide the source code also for the Tcp Listener. I want all eltonika FMB120, Teltonika FMB920, Teltonika FMA120, Concox GT08, Concox GT06N, Concox GV20, Concox JM01, Concox WeTrack2, Concox GT800, Benway ET300, Benway BW09, Keson KS168 and Keson KS108. User can issue commands from front end website (web server) to any device, socket listener must be capable to receive commands from web server and send to desired tracking unit using saved connection reference and receive reply of that command from tracking unit and send back to web-server. Web-Server and Socket Listener may be located on different machines.