Product Overview
What it is: A hermetically sealed RF crystal filter module manufactured by Network Sciences (NS), marked with Part No. 726-062-002 and military reference 99-20067. The module belongs to a series of precision IF filters typically used around the 21 MHz frequency range.
What it’s used for: Designed for intermediate frequency (IF) filtering in military radios, RF receivers, and communication systems. It provides narrowband signal filtering, helping isolate desired signals and reduce noise in high-frequency communication circuits.
