TDR Time Domain Reflectometer / Network Analysis / Cable Test Ensuring your customers stay connected to your network is your number one priority. The 1205CXB TDR is the perfect tool to pinpoint copper cable faults - quickly, easily and accurately. Radiodetection has created the 1205CXB Metallic Cable Analyzer TDR to make finding cable faults quick and easy. The ultra-clean, low noise signal in tandem with the large color display combine with having all the TDR controls on-screen, at your fingertips, to provide one of the easiest to use instruments in the industry.