Check the listing for details. HP 3577A 5Hz to 200 MHz Network Analyzer. Condition: Seller refurbished. Listed at 3995.00 USD. This HP 3577A Network Analyzer is a versatile tool that allows you to measure the frequency range of your network signals. With a frequency range of 5Hz-200MHz, this vector network analyzer is perfect for diagnosing and troubleshooting network problems. The installed options for this analyzer include a 200MHz frequency range, and it is suitable for use in various business and industrial settings. The brand of this analyzer is HP, and the model number is HP 3577A.Exceptional HP network analyzer in a great working condition. Old CRT tube was replaced for the modern LCD screen, that dramatically extended the life of this unit. As shown in the pictures this network analyzer passes all self tests. Shipping will be caloculated at the time of purchase. This is big and heavy unit.