4G Linked
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Supplier
Etelm SAS
Tactical Communications & Data Links

4G Linked

Patented solution unifying TETRA and 4G LTE resources on one core, with no gateway.

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Drawing on 20 years of TETRA network deployment, ETELM developed 4G Linked, a patented technical solution that unifies TETRA and 4G radio resources on a single core. It interconnects TETRA and LTE networks without any gateway and in a fully unified way, combining TETRA's extended coverage, proven technology and high availability with 4G's high throughput and standardisation, so a homogeneous fleet of TETRA and 4G users share all TETRA functions across the 4G ecosystem.

Specs at a glance

Technical specifications.

Patented TETRA + 4G LTE unification on a single core
No gateway / fully unified interconnection
All TETRA functions available through the 4G ecosystem
Homogeneous fleet of mixed TETRA and 4G users
Best for

Use cases.

  • Migrating TETRA networks toward broadband LTE
  • Hybrid TETRA/4G mission-critical fleets
  • Adding 4G data capacity while keeping TETRA voice/coverage