Sydney has Telstra 5G across the CBD, inner suburbs, and major tourist zones. The Sydney CBD including the Rocks, Circular Quay, and the Opera House all have dense 5G coverage. Darling Harbour, the Barangaroo waterfront, and the Star entertainment precinct have fast, reliable outdoor signal. Manly Beach, Bondi Beach, Coogee, and the Coogee to Bondi coastal walk all have 4G and strong 5G at the main beach areas.
Sydney Airport (SYD) at Mascot has 5G in both the domestic and international terminals. Telstra 5G covers the baggage claim, arrivals hall, and transport interchanges. The Airport Link train to the CBD runs through tunnels with 4G coverage at all stations. Circular Quay, Town Hall, Central, and Wynyard stations all have 4G from multiple operators.
Sydney Trains and the Metro network have 4G at all underground stations. Tunnel sections between stations can see drops on older lines. The Parramatta corridor, Penrith, and Blue Mountains foothills have solid 4G along the main train lines. The ferry routes across Sydney Harbour from Circular Quay to Manly, Darling Harbour, and Neutral Bay have outdoor 4G with some 5G near the CBD wharves.
The Blue Mountains, a popular day trip, has 4G in the main towns of Katoomba and Leura and at Echo Point. Bushwalking tracks in the valley have patchy signal. Wollongong and the Royal National Park have coastal 4G. Western Sydney including Parramatta and Bankstown have solid 4G. Indian travellers should check that their handset supports the network frequencies used at this destination.