Test procedures for compatibility confirmation of “Mobile stations as terminal device” is evaluated as a conformity confirmation of radio segment interface specified on ARIB Standard “S-Band Domestic Mobile Satellite Communication System (ARIB STD- T49)”. This test procedure is requested to perform on every type approval with and /or without standard options.

In precedent of this test, it is premised that conformity confirmation of this ARIB Standard should be done on each stage such as development or production by manufacture. Also, this test procedure specifies two test cases. One is the test with a compatibility confirmation tester, the other is the test with a network compatibility confirmation tester.