The CDIO approach has been successfully applied to the design of integrated engineering technology curricula worldwide. CDIO based curriculum reform can result in an overwhelming process when universities lack experience in the consolidation of curricula that integrate disciplinary knowledge with engineering skills. The Department of Communication Engineering Technology(DCET), School of Information and Communication Technology(SICT) has been working for last four years on curriculum reform and the implementation of the CDIO approach for two undergraduate programs named Telecommunications Engineering Technology(TET) and Wireless Communications Engineering Technology(WCET). This paper addresses the process of curriculum development. We have started working with key stakeholders to identify the demand from the labor market and defined Program Educational Objectives (PEOs), and Program Learning Outcomes (PLOs). Then the process was continued with the selection of required courses, mapping of the PLOs to the PEOs of program and relation between courses in curriculum and PEOs, and PLOs. Our experience for revision of curricula and implementation of CDIO approach reported in this paper will provide a set of guidelines that can be replicated and tailored by other departments of MUST and institutions of Mongolia.