중국의 만리방화벽: 2026년 연결 유지를 위한 eSIM 가이드

James Sterling UK Business Travel & Roaming Analyst · Cellesim UK Based in London's financial district, James Sterling is the Lead Analyst for Cellesim UK. With the return of roaming charges post-Brexit, James specializes in corporate connectivity solutions. He rigorously compares the daily roaming fees of major UK carriers like EE, Vodafone, and O2 against eSIM alternatives. James ensures that business travelers to the EU and USA maintain enterprise-grade connectivity without the exorbitant expense.