无线通信以其便捷性、实用性、灵活性，在通信调度中发挥了巨大的优势。为扩大无线通信距离，减少通信盲区，必须利用差转原理来转发无线信号。 MOTOROLA作为从事无线电开发的专业性大公司，在扩大通信距离方面有其成熟的产品，但价格昂贵，且订货期较长，维修困难。下面介绍利 With its convenience, practicability and flexibility, wireless communication has played a great advantage in the communication scheduling. In order to expand the wireless communication distance and reduce the communication blind area, the principle of differential transfer must be used to forward wireless signals. MOTOROLA, a professional and professional company engaged in radio development, has mature products in expanding communication distance but is expensive and has a long lead time and difficult maintenance. Here’s the introduction of Lee