Product Overview
What it is: A hermetically sealed RF crystal filter module manufactured by Network Sciences, marked with Part No. 726-062-002, labeled “Network Sciences” with Phoenix, AZ address, and frequency marking 6 kHz.
What it’s used for: Designed for narrowband IF filtering applications in communication systems, including military radios, aviation equipment, and RF receivers. Provides precise bandwidth control and signal selectivity at intermediate frequency stages.
