4GX is Telstra’s marketing name for parts of its LTE network, particularly services using Band 28 at 700 MHz. Low-frequency spectrum can travel further and penetrate buildings better than many higher-frequency bands, so Band 28 support can be valuable at regional, indoor or fringe-coverage sites.
It is not a guarantee of good service. Tower configuration, terrain, congestion, antenna placement and the carrier’s local network all affect the result. A router also needs to support the other bands used by the chosen carrier, because the network may aggregate or switch between them. The practical approach is to check the exact Comset model’s band list, test the intended SIM at the site and review signal-quality readings rather than relying only on coverage maps. Band 28 is an important compatibility item, not a substitute for a site test.
Public Q&A
What practical difference can 4GX and Band 28 support make at an Australian site?
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Use this answer as a practical starting point. Current scope, specifications, compatibility, availability, pricing, timing and next steps should be confirmed directly with Comset where they affect a decision.
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