摘要:Satisfaction is the level of one's feelings after comparing the performance /results that she felt with her expectations. so, the level of satisfaction is a function of the difference between the perceived performance with expectations. If the performance below expectations, then the customer will be disappointed. If performance in line with expectations, customers will be satisfied. Whereas when performance exceeds expectations, customers will be very satisfied. The purpose of scientific writing that will be achieved in this time of scientific writing is to know and analyze the influence of the level of customer satisfaction in the use of CDMA Esia card, to determine if the 5 variables of reliability (Reability), responsiveness (keresponsivenes), confidence (assurance) , empathy (emphaty) and intangible (tangible) on CDMA Esia card has fulfilled the customer satisfaction, to be able to process data in scientific writing is the writer doing the analysis by using the rectangular diagrams, chi-square method and the Likert scale. Calculations showed the average level of concordance between the level of performance and the interests of the respondents, the factors that influence consumer satisfaction of CDMA Esia card size average between 72.28% - 83.05% that means that the level of performance / implementation Esia card CDMA is less suitable from Chi Square analysis obtained results that count ?2 = 85.288 bigger than table ?2 = 26.2962, so Ho rejected and Ha accepted, which means the consumer was satisfied with CDMA Esia card.