Dr. Marcus Chen
EIOTクラブエキスパート

Dr. Marcus Chen

Marcus has more than 15 years of communications engineering experience, focusing on Cellular IoT and M2M (machine-to-machine) communications technologies. Before joining the Eiotclub content team, he was responsible for the optimization of 4G/5G network infrastructure at a leading global telecom operator. He is good at solving complex device network configuration (APN settings), signal coverage optimization and cross-operator roaming agreement issues. His articles are usually known for their hard-core technical analysis, dedicated to helping users understand how to build a "never-drop" connection environment for monitoring equipment and industrial routers in remote areas.

Latest Articles

An illustration questioning the popularity of eSIM technology, showing a smartphone with a global network connection engulfed by question marks and the text "Is eSIM Not Popular? Seriously?".
1 min read • Dec 10, 2025

eSIMは普及していない?本当?

eSIMは不人気というわけではありません。過渡期にあり、誤解されている技術です。デュアルSIMとリモートアクティベーションの利点によって推進され、必然的な標準となっています。
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5 Best Unlimited eSIM Data Plans in 2026
eSIM 1 min read • Oct 09, 2025

2026年のベスト5無制限eSIMデータプラン

隠れたデータ制限に驚きましたか?2026年のおすすめ無制限データプラン5選を比較。実際の料金、エリアマップ、速度テストを公開。今すぐお気に入りを選んでください!
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