Artifact Details Title Tandy Portable Acoustic Coupler 2 Catalog Number 102630990 Type Physical object Date c. 1989 Manufacturer Radio Shack, A Division of Tandy Corporation Identifying Numbers Model number 26-3818 Dimensions 2 1/2 x 10 x 3 in. Category Interconnect: network: modem Credit Courtesy of Mark Gilkey Lot Number X2540.2003