Parallel line privacy adapter, D5

Model ID

  • D5

Product Categories

Product Profile

Progressive Engineering Corporation offers a parallel line privacy adapter, PLP-1. By installing this simple adapter on a parallel line, one can ensure that the conversation is not heard on a parallel line. When installed, it automatically disables the parallel line during a telephonic conversation....

Progressive Engineering Corporation

Ours is a manufacturing and trading company in business since 1980 with diversified business interest.