步驟 4
電源・通訊・SIM
此資訊更新至 2026/08/11。
※ 通訊環境可能因地區和時期而異。
電壓與插座形狀
電壓差異與插座類型
⚡220V / 50Hz
🔌Type A / C / I(多規格插座)
🔄建議攜帶萬用轉接頭
💡Most outlets accept US/Japan and European plugs without adapter.
SIM卡購買方式
機場與市區的SIM卡購買流程與費用
電信業者: China Mobile, China Unicom, China Telecom
eSIM與行動Wi-Fi
eSIM支援情況與Wi-Fi分享器選擇
📶Limited — International eSIM providers only
🏢Airalo, Ubigi, eSIM2Fly
💰$8-30 for 1-10GB / 7-30 days
💡Chinese carriers do not support foreign eSIM; use Airalo with VPN included.
Wi-Fi環境
公共Wi-Fi普及狀況與安全性
📡good
🏨Available in all hotels; often requires phone number verification
☕Free in cafes, malls, airports, and train stations
💡VPN needed for Google, Facebook, etc.; hotel WiFi may bypass the firewall.
網路限制與VPN
社群媒體與網站的存取限制及VPN需求
🔒heavy
🚫Google, Facebook, YouTube, WhatsApp, Instagram, Twitter/X, Wikipedia, many Western services
🛡️建議使用VPN。
💡Download and configure VPN before entering China; most VPN websites are blocked inside.
實用當地App
交通、翻譯、地圖等便利應用程式
🚗DiDi, Amap (Gaode), metro apps
🗺️Baidu Maps, Amap (Google Maps blocked)
💬WeChat (essential for everything), Alipay
💡WeChat is mandatory - payments, communication, and services all-in-one.
國際電話
撥打國際電話的方式與通話App
📞+86 (China)
🆘110 (Police), 120 (Ambulance), 119 (Fire)
📲Dial 00 + country code + number for international calls
💡VoIP apps (WhatsApp, Skype) may be blocked; use WeChat for calls.