mMode is the brand name for the wireless data service offered by the former AT&T Wireless. Based on NTT DoCoMo's i-mode, it was available to any AT&T Wireless subscriber with a WAP-capable phone. Operating over GPRS, EDGE, and UMTS, mMode was the successor to AT&T's unsuccessful CDPD-based Pocketnet. Although it is no longer available to new subscribers since the Cingular takeover, legacy AT&T Wireless subscribers had access to the system until June 2010.
M-Mode is a way of recording motion off interface in the human body. THat are moving towards and away from a trasnducer used in ultrasound. It is a graphical display which uses echos produced by interfaces and displays them on one axis and time alone the other.