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Hologram SIM Service
I used Hologram to show what fleet-style visibility looks like: tower info, usage, sessions, and a clean dashboard experience. It’s also a straightforward way to bring your own SIM to Walter without contracts or weird setup fees. Just remember the real trick for multi-year battery life is picking a provider that supports PSM and eDRX.
Pros
- +Global IoT SIM option with a clean dashboard
- +Good for managing devices and checking tower/usage data
- +Flexible alternative to bundled SIMs
Cons
- -Battery life depends on whether your plan supports PSM/eDRX
- -Still a carrier-backed service (not off-grid)
Curated by
Data Slayer