For visitors to Hong Kong and Macao, it is advisable to check passport validity requirements well in advance. Entry to Hong Kong and Macao for many countries is visa-free for stays up to a certain period, while others may require a visa beforehand. It is also recommended to stay updated with travel advisories and entry restrictions for foreign visitors.
For those visiting Hong Kong and Macao, Wi-Fi is readily available in most hotels, restaurants, and tourist attractions. Cellular coverage is generally good, especially in urban areas. Visitors can easily purchase local SIM cards at the airport or at convenience stores. Make sure to bring a travel adaptor for the power outlets, as the voltage requirement in Hong Kong and Macao is 220V.