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What is the difference between the RSA306 and the RSA306B?

Subject: Products | Published: October 2026 | FAQ ID: KB-01343

Question: What is the difference between the RSA306 and the RSA306B? 

Answer: The primary differences between RSA306 and RSA306B are the RSA306B has the following improvements:

  • Residual spurious improved by 10 dB overall and >40 dB at select frequencies
  • Spurious with signal improved by 10 dB up to 3 GHz to -60 dBc
  • Amplitude accuracy improved from 1.25 to 0.8 dB (95% confidence to 3 GHz)
  • Improved warranty from 1 to 3 years