The product is a bundle lot of 10 FT-243 7140 KC kHz 40 meter Ham Radio crystals, specifically designed for the AM band. These crystals are compatible with various brands and are manufactured in the United States. They are ideal for hobbyists and professionals in the radio communication field looking to enhance their equipment with high-quality, reliable crystals for precise tuning on the 40-meter band.

I don’t know much about it. All I know is that it works!!! The guy who owned it had a whole big setup in the basement and this was part of it!!! Hard to find!!! Very old!!

Vintage!!! Hard to find!!! I have more stuff like this posted so be sure to check out my other listings!!!

Rare!!! Hard to find!!! Get it while you can!!!!

100% authentic!! You get exactly what you see in the photos! Everything shown in photos! Condition and everything shown in the photos! No refunds, no returns! Be sure to check out my other listings! Let me know if you have any questions! Will ship out quick and safe!!!

Don’t wait!! Get it while you can!! It won’t last!! Don’t miss out on this opportunity!!