* Difference between send period (Data Acquisition Mode settings) and Active Data Link Timeout must be more than 90 sec., that FM36M1 could close GPRS/4G link for at least 90 sec; | * Difference between send period (Data Acquisition Mode settings) and Active Data Link Timeout must be more than 90 sec., that FM36M1 could close GPRS/4G link for at least 90 sec; |