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

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.

New Zealand's networks reach further than the empty-looking map suggests, but the best-known trails and fjords have none. With a realistic data budget.

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.

Luanda's rebuilt waterfront, the drive to Kalandula Falls, the desert coast at Namibe. How Angola's two networks really cover it, plus a realistic data budget.

Two small islands off Gabon, one plan: which networks reach São Tomé town and Príncipe's Santo António, how much data you need, and where the signal drops.

Two islands, one plan: which networks reach furthest, how much data Carnival actually takes, and how to stay online from Port of Spain to Tobago's reefs.

Argentina runs from Iguazú Falls to Tierra del Fuego, here's which networks reach furthest, a realistic data budget, and where the signal actually thins out.

Colombia packs Andes, Caribbean coast and Amazon into one country, and coverage splits the same way. How much data to buy, and where there's no signal.