Check the listing for details. HP E4853A Serial Cell Gen/Analyzer opt 001, 002, 660,. Listed at 1395.00 USD. As part of the E4859A Serial Cell Generator and Analyzer System, multiple E4854A dual serial cell generators can be set up to emulate burst-mode data in a network. Cell length, cell content and cell timing can be varied for each generator to allow characterization of the transmission performance under real network conditions, even for designs using proprietary cell formats.