Hello anton,
my meitrack device T1 is not displayed on the map, but if I have this data

2424473134312c3031323839363030313236303634322c4141412c33312c2d33332e3033373135302c2d37312e3634383838312c3139303131383231303233312c562c302c32352c302c302c302c3138342c31313734352c3333393536372c3733307c327c373432377c323331442c303030302c303030447c303030387c303030307c304135397c303344452c2c2a35420d0a

there are no parameters
Your message sample works for me.
Are you using latest official release of Traccar?
Hello anton,
my meitrack device T1 is not displayed on the map, but if I have this data
there are no parameters