Product Overview The ZHL-15W-422+ is a Class A, high-power amplifier providing 15W saturated power over the 600 to 4200 MHz band, ideal for a variety of high-power test setups as well as applications including communications, radar and more. The ruggedly-designed amplifier provides unconditional stability and built-in self-protection against reverse polarity, shorting/ unshorting and overheating. It is capable of withstanding short and open circuits at output while continuously delivering 10W of power. Housed in a rugged aluminum alloy case measuring 4.3 x 6.7 x 1.2″, the unit features SMA connectors and an optional heat sink and fan attachment for cooling.