Check the listing for details. NARDA 4702B-90 Step Attenuator UNTESTED. Condition: For parts or not working. Listed at 97.75 USD. LISTED AS PARTS DUE TO BEING UNTESTED. This Narda 4702B-90 Step Attenuator is a reliable tool for measuring and attenuating signals. Made in the United States, it is a high-quality product that is sure to meet your needs. The attenuator is designed to provide precise and consistent results, making it an excellent choice for use in various industries. With its brand name and domestic origin, you can trust that this attenuator will provide the accuracy and reliability you need. It is perfect for use in signal sources and conditioning, and is ideal for those in the business and industrial fields. Whether you need to attenuate a signal for measurement purposes or simply want to add it to your collection of test and measurement equipment, this Narda 4702B-90 Step Attenuator is an excellent choice.