In the Kanchenjunga region, internet, electricity, and phone connections are limited and unreliable. Some lodges may offer Wi-Fi or 3G service, but coverage ends beyond certain points. Electricity is intermittent, often provided by solar or hydro power. Bring a power bank and spare batteries. Mobile phone reception is weak in many areas, so NTC or Namaste SIM cards are recommended, with satellite phones being the most reliable for emergencies. Be prepared for limited connectivity during your trek.