The 8167/4CX300A is a voltage-controlled solid-state module produced by MISC Inc. The module is designed to provide accurate and reliable voltage control over a wide range of frequencies and power levels. It can be used to generate both RF and IF signals in a variety of applications, including broadcast, military and commercial communication systems. The module features an integrated amplifier with a maximum output power of 300 W and an adjustable band pass filter. It is compatible with both TTL and ECL logic levels for external control and has built-in output peak meters for quick and easy monitoring. Additionally, a wide range of external control options are available including digital switching and analog control.