Why does TAT100 not send data?
1. Make sure Tracking settings are configured correctly, according to these instructions2. Check if your APN , Domain and Port entered correctly and GPRS data is Enabled.
3. Make sure USB cable is not connected to the device. TAT100 does not send data when USB cable is plugged in!
4. In some rare cases it helps to clear the device's memory:
It could be done remotely using SMS/GPRS command sdformat.
More info about the commands here.
|NOTE! Please do not change Open Link Timeout in TAT100 configuration
GPRS -> Record Settings -> Open Link Timeout -> Should be set to  / Response Timeout -> Should be set to  / Network Ping Timout -> Should be set to 
|NOTE! Scheduler days has to be selected to enable data sending. More info here.|