Check the listing for details. IFR/Marconi 2851S Digital Communications Analyzer Opt.05,06. Condition: Used. Listed at 454.35 USD. Marconi 2851S Digital Communications Analyzer Opts.005,006 The Marconi 2851S Digital Communications Analyzer provides all of this plus data interface testing as standard for all commonly used interfaces. A structured data option enables detailed testing of X.50, 6+2 and reiterated data systems. With the addition of DC and battery power options, a full range of field and exchange digital and data measurement requirements can be met with a choice of desktop and rackmountable packages. Feature & Specifications Combined Data and PCM rate tester. 64 kbit/s 2 and 8 Mbit/s error analysis DTMF and channel associated signalling capability. Includes:Opt.005,006 Actual net weight:28 Lbs. Dimensions: 6" [H] × 18" [W] × 24" [D] 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.