Brand Kalmus Engineering International, Ltd.
Frequency Range 200-400MHz
Country of Origin United States

Check the listing for details. Kalmus Engineering USA 200-400MHz 500 Watts Model 166UP Linear Pulse Amplifier. Condition: Used, Made in United States. Listed at 427.79 USD. Item has been power tested and does turn on, though I think the "mode" switch is broken.

$213.90
$427.79