What is the DBLG1 handset? June 19, 2019 08:48 Updated The DBLG1 handset is a handset dedicated exclusively to our loop mode algorithm.You can find more information about its technical characteristics by clicking here. Related articles What is loop mode? Can I use a phone or tablet instead of the handset? What information do I need to enter to set up my handset? Who is Diabeloop? How does the DBLG1 System work?