The invention discloses portable radio frequency fault injection equipment used for an external field testability verification test. Aiming at the requirements for the external field testability verification in a testability test and the requirements for covering radio frequency microwave frequency band capability, the portable radio frequency fault injection equipment used for the external fieldtestability verification test is designed, moreover, the equipment supports various fault injection means, and the application range of the fault injection technology is expanded. The equipment is composed of 12 parts, the resource capacity of all the component units are integrated and summarized, on one hand, the fault injection capacity for low-frequency, medium-frequency and radio-frequency signals is formed, the capability covers the pluggable type and probe type fault injection methods, and the application range of the fault injection object is greatly expanded; and on the other hand, self-detection for all internal fault injection and fault monitoring resources are realized through a self-inspection adapter designed in the portable radio frequency fault injection equipment, and a convenient condition is provided for an equipment operator to master the equipment state. According to the portable radio frequency fault injection equipment, the aspect of the accurate, convenient and safe injection is focused so that the technical way has the advantages of being wide in application range, convenient and reliable can be provided for the testability verification and evaluation of weapon equipment.