Product Overview
What it is: A hermetically sealed RF crystal filter module manufactured by Network Sciences, marked with Part No. 726-062-001, labeled “Network Sciences, Phoenix, Arizona”, and frequency marking 3 kHz.
What it’s used for: Designed for narrowband IF filtering in military radios, communication receivers, and RF signal processing systems. The 3 kHz bandwidth is ideal for voice communications, providing excellent selectivity and signal clarity.
