Qualcomm, Ericsson and Telstra claim the new world record for mmWave 5G download speeds Telstra took part in a new 5G speed project. (Source: Telstra) Qualcomm, in conjunction with its partners Telstra and Ericsson, has reported a new high in 5G download speeds. They have achieved 5 gigabits per second (Gb/s) at Australia's 5G Innovation Centre, using commercial Telstra infrastructure and up-to-date mmWave hardware. They include the new X60 mobile modem and third-gen QTM535 antenna. Internet of Things (IoT), iOS, Wearable, Ticker The maximum speed achieved by mmWave 5G stands at 4.2Gb/s. Or rather, it did: according to Qualcomm, Telstra and Ericsson, this record has been broken as a result of their latest joint project. This took place in Australia, on the Gold Coast's 5G Innovation Centre, and resulted in a download speed of 5Gb/s.