The data card is specially modified to be used with the ResMed Airsense 10 machines. It stores specific data on the patients sleep cycle including details about respiratory events, leaks, AHI and compliance. The detailed data can be reported on by specific reporting software either by appointment or via mail. Call 1300 360 202 to find your nearest CPAP clinic. Recent versions of this machine have a 3G modem which allows daily transfer of data to an online database accessible by our clinicians. The data cards provide a back source of information if the data transfer is not able to to be completed.