SG-51P 4.0000MC SG-51P 4.0000MC:ROHS SG-51P 4.0960MC SG-51P 4.0960MC:ROHS SG-51P 4.915 200MHZ SG-51P 4.9152MC SG-51P 4.9152MC:ROHS SG-51P 5.0000MC SG-51P 5.0000MC:ROHS SG-51P 5.0680MC