Welcome to Korea Telecommunication Science & Technology Co., Ltd.

RoAmigo | 133 followers on LinkedIn. "Your Travel Roaming Amigo", giving you access to affordable local eSIMs in 205+ countries and regions. | RoAmigo, evolved from leveraging the heritage of business that pioneered SIM Card services in Korea for two decades as the top MVNO. Under the second-generation entrepreneur's direction, leveraging 20+ years of telecommunications expertise, it has evolved into a fastest growing eSIM startup. Our eSIM marketplace sources local eSIMs from 200+ countries, establishing us as a global eSIM leader.