Hello, SuyLarry ,
We found some information about your tracker set up.
Here by the link, you should contact manufacturer and ask about account. – https://www.ermtelematics.com/
Then, ask them about your device set up and they should explain to you how it works.
After they give you access, by this link, you will find a protocol of the device and tool for creating SMS commands. – https://sweb.erm.co.il/