Dtx-300 Dtx-300 from Erin Yoakum DTX-300 The DTX-300 is a simple, easy to use, low cost version of the DTX-1800 that specializes in copper cable analyzing. The DTX-300 is a simple, easy to use, low cost version of the DTX-1800 that specializes in copper cable analyzing. The DTX-300 is a simple, easy to use, low cost version of the DTX-1800 that specializes in copper cable analyzing. The DTX-300 is a simple, easy to use, low cost version of the DTX-1800 that specializes in copper cable analyzing. The DTX-300 is a simple, easy to use, low cost version of the DTX-1800 that specializes in copper cable analyzing. The DTX-300 is a simple, easy to use, low cost version of the DTX-1800 that specializes in copper cable analyzing. The DTX-300 is a simple, easy to use, low cost version of the DTX-1800 that specializes in copper cable analyzing. gLike DTX-300 Industrial Design Share R 7 n Erin Yoakum Bellingham, WA Follow Contact