AM/SSB dead key 2-4 watts Max Swing no more than 25 pep watts MAX For SSB no more than 20 watts SSB input SWR NEED TO BE 1.1 NO MORE THAN 1.5 Make sure you modulate your unit to full power before setting your SWR  NO MORE THAN 16.0 volts and the  DEAD KEY 2-4 WATTS and  PEP POWER NO MORE THAN 25 WATTS  your country before operating these units.