Operation has not been confirmed. The National Panasonic RD-9801 is a crystal for a radio tuner, supporting frequencies of 3.925MHz, 6.055MHz, and 9.595MHz. - Brand: National Panasonic - Model: RD-9801 - Frequencies: 3.925MHz, 6.055MHz, 9.595MHz - Shape: Square - Connection Terminals: 3.5mm jack ※Everything in the image is included. ※Please refrain from purchasing if you are looking for a new-like condition or are particularly sensitive to condition. ※Please consider this as a junk item. ※No claims and no returns accepted.