Signal transmission device and signal transfer antenna

The invention provides a signal transmission device and a signal transfer antenna, and relates to the technical field of antennas. The signal transfer antenna comprises three parts consisting of antennas at two ends and a connection line at the middle portion, the connection line is connected with the antennas at the two ends, the three form a complete antenna, and the connection line can regulatethe length according to the actual demands and is suitable for different use scenes so as to solve the problem that the reading cannot be performed due to the large distance between a RFID reader anda tag in the prior art. 本发明提供了一种信号传输装置及信号转移天线，涉及天线技术领域。本发明提供的一种信号转移天线由三部分组成，两端的天线和中间的连接线，连接线连接两端的天线，三者构成一个完整的天线，连接线的长度可根据实际需要调整，适应不同的使用场景，解决了现有技术中RFID阅读器与标签距离远而无法读取的问题。