Product Overview
What it is: A precision metal-shielded K&L Microwave Inc. crystal filter module marked 21.545 MHz – 600 kHz bandwidth, Model 50140 / Part 001-57150.
What it’s used for: Designed for intermediate frequency (IF) filtering in communication systems, RF receivers, military radios, aerospace equipment, and signal processing circuits. The 600 kHz bandwidth indicates selective filtering around 21.545 MHz for stable and low-noise signal performance.
