Check the listing for details. HP 3709B Constellation Analyzer. Condition: Used. Listed at 389.35 USD. HP 3709B Constellation Analyzer The 3709B is Used to Characterize the Performance and Condition of Digital Radios Both In-Service and Out-of-Service by Analysis of Constellation Patters. In Addition to Displaying Constellation Patterns, the 3709B can Measure the Linear and Non-Linear Distortions Revealed by the Patterns, and can Provide a Formatted Report Containing the Pattern and Measurement Results Features & Specifications: Identifies Digital Radio Impairments Analyzes Magnitude of Distortions Option 130 (High Impedance Interface Kit - Qty1 15709A and Qty3 10435A) Actual Net Weight: 31 LBS Tested Good With Guarantee All Items are sold with a 14 Day Unconditional Right of Return, and Guarantee from receipt of delivery. All sales are FOB Ocean N.J. Buyer is responsible for shipping in the event of a Return All Items are Expertly Packed ..... at "No Additional Charge" We can ship via any carrier. Please Visit our always changing eBay Store.