Microwave device capable of resisting heat

The invention relates to the technical field of waveguide type devices, in particular to a heat-resistant microwave device which comprises a waveguide shell, a circuit board is arranged in the waveguide shell, and a connecting notch used for containing a circuit board interface is formed in the inner wall of the waveguide shell. A plurality of hooping assemblies used for rapidly fixing the circuit substrate connecting pins are arranged outside the waveguide shell, each hooping assembly comprises an interface base used for containing a circuit board interface, the interface bases are fixedly connected to the outside of the waveguide shell, and rubber pads used for pressing the circuit substrate connecting pins are arranged above the interface bases. According to the invention, the plurality of hooping assemblies are arranged, the plurality of pins of the substrate are fixed in the hooping assemblies and are connected with the interfaces of the circuit board, and the pins can be directly taken out when the pins