“无线”指的是无线电或无线电波。而无线技术，通常以产生无线信号的方式来区分，目前主要的方式有调频无线技术、红外无线技术和蓝牙无线技术三种，其成本和特点也不尽相同。广泛应用于音响、键鼠、遥控等各个领域，有很好的发展前景。调频无线技术在传输距离、方向性和可靠性方面和红外线无线技术以及蓝牙无线技术相比都有很大的优势。-The "wireless" refers to the radio or radio waves. Wireless technology, typically a wireless signal to distinguish between the main FM wireless technology, infrared wireless technology and Bluetooth wireless technology three kinds of costs and characteristics are not the same. Widely used in audio, mouse and keyboard, remote control and other fields, there are good prospects for development. FM wireless technology, transmission distance, direction and reliability and infrared wireless technology and Bluetooth wireless technology compared to have a big advantage.