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The SCA is derived from the project of Joint Tactical Radio Systems and widely used in military and commercial fields.MHAL is one of the key technologies of SCA,itcould be used for decoupling the software from SDR hardware.To test the conformity between the SDR platform and SCA Standards,thisarticle proposed the test method according to the standard.The main contents of the standard includes GPP API,DSP API,FPGA API and RF Chain.The standard specifies interface functions,message formats and commands.For MHAL interface test,people should design test cases and call API interface functions for MHAL message transmission to check the correctness of message transmission. For theRFChain command test, the control command is sent through MHAL message, and the channel output response and RF parameters are measured by standard instruments to verify the compliance and performance index of the hardware platform interface.Finally, the test system is built to test the SDR platforms developed by different manufacturers. The results show that the test method is reasonable and feasible, can adapt to the SDR equipment under test with different architectures, and effectively verify the MHAL interface compliance of the hardware platform.