Intelligent multimode communication gateway

The utility model discloses an intelligent multimode communication gateway, which comprises a gateway main body, a first clamping plate, a radiating fin, a second clamping plate, a bolt, an L-shaped plate, a nut, a straight plate, a step surface, an antenna interface, an electric quantity display screen, an SIM (Subscriber Identity Module) card indicating lamp, a power supply input interface and a baffle plate, one end of the first clamping plate is fixedly provided with a cooling fin, one end of the cooling fin is fixedly provided with a second clamping plate, the second clamping plate is internally and movably provided with a bolt, the outer end of the bolt is fixedly provided with an L-shaped plate, the bottom end of the bolt is movably connected with a nut, the bottom end of the cooling fin is fixedly provided with a straight plate, and one end of the gateway body is fixedly provided with a step surface. An antenna interface is fixedly installed in the step face, an electric quantity display screen is fix