Positron 751333A Telephone Isolator Basic Rate ISDN.
Appears in good shape from our visual inspection though we do not have the means for testing.
Free shipping to the 48 contiguous states in the USA.
Please be sure to read the terms of the free shipping in the item description (if available).
Unless otherwise stated, free shipping is only available to the contiguous 48 United States. Buyers in Alaska, Hawaii, or International should contact us for more details and a shipping quote.