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Volumes

1. Vol 1 The Problem Is Coverage, Not Reception
2. Vol 2 The GL-X3000 Spitz AX in Detail
3. Vol 3 The Antenna System — Where the Performance Actually Comes From
4. Vol 4 SIMs, Carriers, and What the Data Actually Costs
5. Vol 5 The Verdict, the Alternatives, and the Test That Decides It