The 2 x Tempo Compact DSP Test Set is a phone line tester set from the brand TEMPO. This set includes two units of the Compact DSP tester, making it convenient for testing phone lines in various locations. With the reliable TEMPO brand behind it, this test set ensures accurate and efficient testing of phone lines for any network or service provider. (One has an open tab at the top, but the product has not been out of the box)
