Agilent / Keysight 85685A RF preselector is designed to operate with the Keysight 8566B

The Agilent/Keysight 85685A RF preselector is specifically designed to operate with the Keysight 8566B spectrum analyzer. It enhances the analyzer’s performance by filtering out unwanted signals and reducing noise interference. This RF preselector is commonly used in applications where signal selectivity and sensitivity are critical, such as RF component testing and electromagnetic compatibility (EMC) measurements.

This unit is in good working condition and is tested to OEM critical specifications. Comes with a 30 day warranty, and we also offer a 7 day right of return (restocking fee may apply). We have been in business for over 25 years, our main focus is customer satisfaction by providing the highest quality of new or used test equipment. Please let us know if you have any questions.

We offer fast domestic and international shipping. We can ship on your FedEx, UPS, or DHL account upon request.  Lead time is typically 1-3 business days. Overseas customers, please consider duty’s and taxes before purchasing

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