It is necessary to prepare a sim card in advance if you hope to travel relaxedly!! When you go to travel, you don't need to waste extra time to look for a sim card. You can start your journey as soon as possible! Data sim card of IMC Networks Limited provides unlimited 4G services; you can share your travel mood, read travel information, and contact your family and friends anytime. 4G's net speed allows you to experience the pleasure of surfing the Internet and enjoy a relaxing tour in Hong Kong and Macau!