- 近距离 近距離 nounclose rangea short distance; close-range
- 无线 無線 adjectivenounwirelessUsing radio waves rather than wires to transmit signals such as voice, text, or images
- 通讯 通訊 nouncommunicationThe process of transmitting information such as voice, text, or images via electrical or optical signals; also refers to the technology and systems used for such exchange.