Note
Ham Radio, Oct 1975, p. 96.
QST, Nov 1975, p. 102.
"CPI" series.
Available in five versions, including a linear model for single sideband operation, the series offers from 25 to 60 watts of power output. They're rated for broadband 430 to 450 MHz operation, and they never need tuning.
In-line installation is no problem because of automatic internal RF detection and switching.
13.6 VDC only, with FET receiver preamp also available.
Starting at $119.95.