Product Overview
What it is: A hermetically sealed crystal filter module manufactured by Network Sciences, marked with part number 726-062-003 and frequency 30 kHz, with Phoenix, Arizona labeling.
What it’s used for: Designed for intermediate frequency (IF) filtering in radio communication equipment, signal processing systems, and test gear. A 30 kHz bandwidth provides moderate selectivity, commonly used in IF stages where wider signal passbands are required compared to narrowband filters.