DS3 PLCP stands for Digital Signal Level 3 Physical Layer Convergence Protocol
DS3-12E stands for Digital Signal Level 3 - 12 (Ports) Enhanced (Cisco)
DS4 stands for Dualshock 4 (gaming equipment) DS4 stands for Director of Space Forces (US Air Force) DS4 stands for…
DS4SI stands for Design Studio for Social Intervention
DS9 stands for Deep Space Nine (Star Trek)
DS-DGS stands for Dumbbell-Shaped Defected Ground Structure