PJ Microwave BSF 1.9GHz RF Band Stop Filter 1.9 GHz Custom Unit

PJ Microwave RF band stop filter (BSF) marked 1.9 GHz.

Appears to be a custom or lab-labeled unit with handwritten identification. Designed for rejecting signals around the 1.9 GHz range, commonly used in telecom and RF testing environments.

Heavy-duty metal construction typical of high-performance RF/microwave components.

Ideal for RF engineers, telecom technicians, or experimental/lab setups.

Please review all photos carefully for condition and exact configuration. Item is untested.