Australia’s Optus in ‘world first’ carrier aggregation

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[1] Optus claims it is the first telco in the world to deliver carrier aggregation on three separate mobile networks (3xCA), achieving download speeds of 317 Mbps.

[2] The telco is using one FDD (frequency division duplexing) and two TDD (time division duplexing) networks to deliver an ambitious pilot of 3xCA technology in selected areas in Australia.

[3] The high speeds are available only with compatible category 9 carrier aggregation devices, including the new Samsung Galaxy S6 Edge+ and Note 5.

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[Source] Australian Information Technology News – Australia’s Optus in ‘world first’ carrier aggregation