TEST APPARATUS WHICH CONVERTS TRANSMIT (MICROWAVE) FREQUENCY SIGNALS TO RECEIVE (MICROWAVE) FREQUENCY SIGNALS IN ORDER TO TEST THE OPERATION OF A SATELLITE COMMUNICATIONS SYSTEM (USED IN CONJUNCTION WITH SATELLITE UP AND DOWNCONVERTORS).

GIR1 TERMS OF HEADING 9030 COVERS APPARATUS FOR MEASURING OR CHECKING ELECTRICAL QUALITIES, GIR6 TERMS OF ONE DASH HEADING 9030.40 COVERING APPARATUS SPECIFICALLY DESIGNED FOR TELECOMMUNICATIONS, CN CODE 903040.90 'OTHER' THAN FOR USE IN CIVIL AIRCRAFT. HSENS TO 9030 NOTE (B).