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Why GNSS Dies Inside a Reefer Container — and What Actually Works
Cold Chain Why GNSS Dies Inside a Reefer Container — and What Actually Works

A sealed reefer is close to the worst RF environment a positioning device can face. The physics of why GNSS fails inside, why the cellular link survives, and the fallback chain — Wi-Fi scan, cell-ID, disciplined logging — that working trackers actually use.

August 25, 2026 10 min read min read
📄 Latest Articles
Make Power Invisible: How Ultra-Thin Film Batteries Turn Covert Tracking into a Low-Maintenance Win
Ultra-Thin Battery
Make Power Invisible: How Ultra-Thin Film Batteries Turn Covert Tracking into a Low-Maintenance Win
Thin‑film battery cells power covert trackers for weeks to months without bulky packs. Learn how ultrathin cells integrate into pallets and containers to make asset tracking invisible and low‑maintenance.
Apple Ko
6 min read min read
T-Mobile’s LTE Sunset: A Gradual Transition Toward a Fully 5G Future
5G,
T-Mobile’s LTE Sunset: A Gradual Transition Toward a Fully 5G Future
T-Mobile is preparing a phased wind-down of its LTE network from 2026 to 2035. Learn what this means for consumers, IoT devices, and the telecom industry.
Apple Ko
6 min read min read
Navigating the Maze of IoT Certifications: Lessons From the Field
Asset Tracking
Navigating the Maze of IoT Certifications: Lessons From the Field
Apple Ko
4 min read min read
Satellite-Free Container Tracking for Ocean Freight: Design, Architecture & Deployment
Ocean freight tracking
Satellite-Free Container Tracking for Ocean Freight: Design, Architecture & Deployment
How to achieve ocean container visibility without satellite: GNSS logging on device, coastal cellular uploads, and cloud inference for audits and alerts.
Apple Ko
30 min read min read
FCC/CE/PTCRB/GCF: a Practical Roadmap to Network Entry and Wireless Certification
FCC/CE/PTCRB/GCF: a Practical Roadmap to Network Entry and Wireless Certification
Apple Ko
6 min read min read
Ten‑Year Pallet Tracking and Beyond: How EELINK Is Re‑engineering IoT Hardware for the Future of Logistics
Ten‑Year Pallet Tracking and Beyond: How EELINK Is Re‑engineering IoT Hardware for the Future of Logistics
In-depth look at EELINK’s decade-long IoT pallet tracking solutions, innovations like TK418 and GPT46, and how BLE and 5G reshape smart logistics.
Apple Ko
9 min read min read
Asset Tracking Devices for Logistics: Rugged Hardware that Scales
Asset Tracking
Asset Tracking Devices for Logistics: Rugged Hardware that Scales
How to choose rugged asset tracking devices for logistics—power options, sensors, BLE tags + gateways, deployment at scale, and TCO/ROI math.
Apple Ko
8 min read min read
Transforming Global Logistics with EELink’s Next‑Generation IoT Tracking
Asset Tracking
Transforming Global Logistics with EELink’s Next‑Generation IoT Tracking
Apple Ko
9 min read min read
Set and Forget: How the GPT50 Tracker Gives Asset Managers 10 Years of Peace of Mind
GPT50
Set and Forget: How the GPT50 Tracker Gives Asset Managers 10 Years of Peace of Mind
Discover how the GPT50 asset tracker delivers 10‑year battery life, integrated sensors, rugged IP67 design, and global LTE‑M/NB‑IoT connectivity for seamless set‑and‑forget asset management.
Apple Ko
10 min read min read

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