Telephone Test Head Type 4602B allows accurate and repeatable positioning and subsequent measurement of a telephone handset in the standardized LRGP, HATS and AEN positions as recommended by the ITU-T, as well as in the REF position (OREM A). It is used as a general test jig with other Brüel & Kjær measurement equipment. Type 4602 B has been designed to accommodate handsets with antennas.