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AWR1642: What are the impedances of RF frond-end?

Part Number: AWR1642
Other Parts Discussed in Thread: AWR1243

Dear Sir,

From page 57 of swrs203.pdf (AWR1642 Datasheet), we only know that the output power at 50 ohm are 12dBm and input ports of receiver at 50 ohm are GSG mode .  

Are the all impedances of the two transmitter ports and four receiver ports 50ohm at 77 GHz in the TI AWR1642 IC? Please provide the scattering parameters of these 6 ports from 70 GHz to 85 GHz in order to RF frond-end design.