• You can now help support WorldwideDX when you shop on Amazon at no additional cost to you! Simply follow this Shop on Amazon link first and a portion of any purchase is sent to WorldwideDX to help with site costs.
  • The Feb 2025 Radioddity Giveaway Results are In! Click Here to see who won!

Reply to thread

Found these at alldatasheet.com:

 

Turns out they're pretty different. The "Y" is rated for more power, higher G2 voltage. Reminds me of the 4CX250B compared to the 4CX250R.


73