This auction features a TPI Tele-Path Model 550B + Basic Rate ISDN Test Set. This device is perfect for those looking for information transfer solutions in the jobsite communications industry. Made in the United States, this test set is brand new and comes in an open box. It is ideal for use in various industries, including Other Test, Measurement & Inspection, Test, Measurement & Inspection, Business & Industrial. Rest assured that you are getting a quality product from a trusted brand, Tele-Path Instruments.