RJ
RoamingJournal
Research center
Connectivity Research Center

Independent Research on
European Mobile
Connectivity

Peer-reviewed quality research on eSIM technology, mobile network infrastructure, and international roaming for European travelers. Independent. Rigorous. Accessible.

Featured Research

eSIM research
Research Paper

eSIM Adoption Patterns Among European Travelers: A 2024 Analysis

Analysis of eSIM adoption rates, usage patterns, and barriers to adoption across 18 European markets.

Dr. Nadia Kowalczyk · Research Division
Network research
Technical Report

Mobile Network Coverage Quality in European Rural Areas: Measurement Study

Field measurement study of actual vs. nominal coverage quality across rural regions in 10 European countries.

Research Team · Field Studies
Roaming research
Policy Analysis

EU Roaming Regulation Effectiveness: An Independent Assessment

Assessment of EU roaming regulation effectiveness in reducing costs and improving transparency for travelers.

Dr. Nadia Kowalczyk · Policy Research
Research Focus

Understanding European Connectivity

RoamingJournal's research program covers three primary areas: technical analysis of eSIM infrastructure and mobile network architecture, empirical study of coverage quality and traveler experience, and policy analysis of regulatory frameworks affecting international mobile connectivity.

Our research is designed to be accessible to informed travelers while maintaining the rigor of academic publication standards. We cite sources, disclose methodology, and acknowledge limitations in our findings.

47+
Countries studied
12
Research papers
2020
Founded
Research
Technical
eSIM architecture & standards
Empirical
Coverage measurement studies
Policy
Regulatory analysis
Consumer
Traveler experience research

Country Research Index

Germany
Germany
France
France
Spain
Spain
Italy
Italy
Netherlands
Netherlands
Full country research index →

Research Digest

Quarterly research digest covering eSIM developments, coverage studies, and regulatory analysis. Independent, no commercial influence.

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