| Part Number | Model | Cable List | Includes |
| 6021-5000 | E20/20N TDR | Broadcast* | N type connector and includes N-to-BNC adapter and BNC Test Lead |
| 6021-5031 | E20/20F Network TDR | Telco* | F and RJ-45 connectors and includes Telco Test Leads and F-to-alligator clips test lead |
| 6021-5041 | E20/20F Network TDR | CATV* | F and RJ-45 connectors and includes Telco Test Leads and F-to-alligator clips test lead |
| 6021-5053 | E20/20B Network TDR | VDV/RF* | BNC and RJ-45 connectors and includes Telco Test Leads and BNC-to-Alligator Test Lead |