Icom IC-7600 HF/50 Amateur Base Transceiver 100W USA Version Dual DSP for transmitter/receiver and spectrum scope Dual AGC loops controlled by DSP 104dB dynamic range and +30dBm third-order intercept point (IP3) Three built-in 1st IF (roofing) filters, including 3kHz Double conversion superheterodyne dramatically improves inband IMD