Country-by-country coverage, realistic data budgets, and the best eSIM for each trip.

Real-name SIM rules, the Great Firewall and how much data a Beijing-to-Shanghai trip needs. What works without a VPN, and what doesn't.

Chișinău sits minutes from two underground wine cellars, but rural coverage thins fast. How much data a Moldova trip needs, and where to install first.

Sweden runs dense 4G/5G in the south; Swedish Lapland and the mountains thin out fast. How much data a Stockholm-to-Kiruna trip needs, and where coverage drops.

Three networks cover Cayenne, Kourou and the coast well; the Amazon interior does not. A realistic data budget, and the yellow fever check before you land.

Muscat and Salalah run fast networks, the desert and mountain interior much less so. What a travel eSIM gets you in Oman, and how much data a loop needs.

From Tirana's cafés to the turquoise coves of the Albanian Riviera and the mountains up north: which networks reach furthest and how much data to buy.

From La Paz's thin air to the salt flats of Uyuni and the Santa Cruz lowlands: which networks reach furthest, how much data to buy, and where signal stops.

A New Zealand eSIM on One NZ (formerly Vodafone): how much data, which plan, where signal stops in Fiordland, satellite texting, and one eSIM for Australia too.

Kuala Lumpur and Langkawi, then Sabah or Sarawak across the sea. Which networks cover each leg, and why new prepaid SIM rules make an eSIM easier.

Resort stays, local-island hopping and liveaboards each need a different data budget. Which carriers cover the atolls and when to install before a seaplane.

Taiwan's west coast is hyper-connected, the mountainous interior much less so. How much data a Taipei-to-Kaohsiung trip needs, and where signal thins out.

Guam has LTE island-wide and 5G in Tumon Bay and Hagåtña, but your US plan may not cover it. How much data a trip needs, and why an eSIM beats roaming.