Lin Chia-Hao is a tech writer at HelloRoam covering mobile connectivity, eSIM adoption, and 5G roaming for travelers visiting Taiwan. Based in Taipei, Chia-Hao benchmarks network speeds across Chunghwa Telecom, Taiwan Mobile, and Far EasTone, tests cross-strait roaming into mainland and Hong Kong, and writes practical setup guides for Taoyuan, Songshan, and Kaohsiung arrivals. He reviews eSIM plans for the high-speed rail corridor, coverage on offshore islands like Penghu and Kinmen, and data options for digital nomads working out of Taipei co-working spaces. Chia-Hao helps Taiwanese travelers pick eSIMs for outbound trips to Japan, Korea, Southeast Asia, and Europe.

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