SK9166 is an RF amplifier module manufactured by RCA, primarily used in broadcasting applications. This amplifier module operates in a frequency range of 150 MHz to 500 MHz and provides an RF power output of 10 Watts. It is a class “A” amplifier module and is capable of linear operation. The module includes an on board preamplifier, allowing it to be used with lower power signals. It also includes an adjustable bias/gain control, allowing the user to customize the module to their specifications. Additionally, the module includes provisions for input/output impedance control, making it suitable for most applications. Finally, the module includes LED indicators to indicate power and RF gain.