The JPL EHS-17 EHS HTEK Adapter electronically connects your DECT headset base to your telephone. It enables remote operation, answer/end calls, for wireless headset use with various phones, eliminating the need for a mechanical handset lifter. For use with HTEK UC804, UC804T, UC804G, UC806, UC806T, UC806G, UC840, UC842, UC860, UC862, UC913, UC923, UC924 and UC926 desk phones.