The Telguard SIM card is White (Left Photo) and the The Alarm.com Sim Card is Yellow (Right Photo)




Click image for larger version. 

Name:	Telguard_ADC_SIM-Pic.jpg 
Views:	66 
Size:	59.6 KB 
ID:	253


Another Tell Tale is:


The Telguard Module will End in a -T (Left Photo) and the The Alarm.com Module will End with a -A (Right Photo)


Click image for larger version. 

Name:	Telguard_ADC Serial number.jpg 
Views:	70 
Size:	40.2 KB 
ID:	254