Mini-Circuits ZHL-42 amplifier 700-4200 MHz, 30 db Gain with maximum power output of +28 dBm. Operates on 15 Volts, .88 Amp. SMA connectors Unit was recently checked out and appears to meet all specs. Asking $350 + Shipping from Zip 54729. Reply to: molson at bloomer.net (Mark Olson N9LTJ)