Heathkit HP-10 Mobile Power Supply For use with: MT-1 Transmitter and MR-1 Receiver Input voltage: 11 to 15 VDC (12.6 nominal) Input current: 2 to 13 amps (as a function of output load) Total power output: 120 watts continuous, 150 watts normal intermittent operation Power outputs: 600 VDC @ 200 ma or 600 VDC @ 150 ma 300 VDC @ 100 ma and bias of –125 VDC @ 30 ma Efficiency: Approximately 75% Maximum ambient operating temperature: 120 degrees F. at 120 watt continuous 150 degrees F. at 120 watt intermittent operation (50% duty cycle) Dimensions: 8" W x 7½" H x 6 1/8" D.