This device is in the Legacy category. When creating a device, first select this category, then the device type.
Since the ST-902 and ST-902W tracker can work with different protocols, please try first to identify your tracker on id.wialon.net as one of the devices Gosafe G91S, ST-902, Gosafe G1C.
If your tracker is determined, take a screenshot, write down the name of the model of the tracker and the identified ID (may coincide with the IMEI, may be part of it with zero or without).
After that, return to the application in the unit settings (unit menu - Settings - Common Settings), specify the determined model and ID. After that, configure the tracker on the defined server and port.
Please write to us about results.