Communication switching device

The utility model provides a communication switching device. The communication switching device comprises a shell, a fixing part and a circuit assembly, wherein the fixing part is arranged on the shell; wherein an opening is formed in the shell; the circuit assembly comprises a power supply control module, a rechargeable battery module, an RF module and a WIFI-internet access-serial port mutual conversion module. The RF module is connected to an RF antenna through an RF antenna interface, the WIFI-internet access-serial port mutual conversion module is connected to a WIFI antenna through a WIFI antenna interface, and the RF antenna and the WIFI antenna extend out of the shell through the opening. The communication switching device is used for fault diagnosis of the power transmission line on-line monitoring terminal, supports multiple communication modes, and can be used as a bridge between an on-line monitoring device and a fault diagnosis device. 本实用新型提供了一种通信转接装置，包括壳体、固定部件和电路组件；所述固定部件设置在所述壳体上；所述壳体上设置有开口；所述电