This item is one new Henry C200D30R UHF continuous duty repeater power amplifier. It is rated at 200 watts continuous output with 30 watts drive. It can also be supplied at a drive level between 20 and 50 watts if specified at the time of purchase. The dimensions are approximately 19 inches long by 6.5 inches rack height by 6 inches deep. The amplifier will be tested and tuned at the Henry amplifier plant to your frequency (select between 400 and 512 mHz). This model has thermostat controlled fans for conservative cooling. The amplifier operates from 13.8 VDC power and requires about 50 amps of current at full output. Other configurations for drive power are available. An optional AC power supply is available for $495. An optional relay ciruit is available configured either for a drop out repeater or a transmit/received base circuit for an added cost of $100. The amplifier will be made specially to your specifications and may take 3 to 4 working days to ship. This is a new item from the Henry Radio Amplifier Factory in Los Angeles, California and carries a one year guaranty. Shipping anywhere in the continental US is $30. International shipping will be quoted upon request.