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Telstra’s Mobile Map Cut Under New Rules

The Australian Communications and Media Authority mandates a -115 dBm cutoff for mobile signal strength, causing Telstra to remove about 1 million square kilometers from coverage maps.

  • On Tuesday, Communications Minister Anika Wells announced new Australian Communications and Media Authority rules requiring mobile carriers to publish standardized coverage maps by June 30 using uniform signal-strength thresholds for 4G and 5G networks.
  • Following allegations from Vodafone that Telstra misled customers for more than 15 years, the regulator moved to standardize mapping after Telstra's claim of 3 million square kilometres coverage failed to disclose external antenna requirements.
  • Under the new standard, signals below-115 dBm will be labeled 'no coverage,' a threshold Telstra argued would strip about 1 million square kilometres from its maps and affect 1.5 million customers monthly.
  • Telstra, Optus, and TPG Telecom must categorize coverage into four tiers—good, moderate, basic, or no coverage—with maps updated quarterly, facing enforceable undertakings and financial penalties for non-compliance.
  • Separately, the government is conducting a national audit with consulting firm Accenture and Australia Post, testing signal strength at up to 77 locations and collecting crowdsourced data from 160,000 users to verify coverage accuracy.
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11 Articles

PerthNowPerthNow
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The West AustralianThe West Australian
Center

Telstra’s mobile map cut under new rules

Telstra has been forced to cut its coverage map by an area greater than the size of NSW, under strict new rules from the regulator.

·City of Perth, Australia
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Sydney Morning HeraldSydney Morning Herald
+2 Reposted by 2 other sources
Lean Left

New rules force Telstra to shrink coverage maps by 1 million square km

Telstra must delete about a third of its claimed coverage under new standards backed by rivals, the ACCC and emergency groups.

·Sydney, Australia
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Australian Financial Review broke the news in Sydney, Australia on Monday, March 30, 2026.
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