A:AnswerHi! This handset is compatible with the following phone systems: KX‑TGD530 series, KX‑TGD830 series, KX‑TGD860 series, KX‑TGF973, KX‑TGF944, and KX‑TGL430 series. You can look up any of these specific models to choose the system that best fits your needs. - S
A:AnswerHello! This handset is an expansion unit and will not operate on its own. It requires a compatible base unit that connects to an active telephone line. To use it, you’ll need a landline cordless phone system with a base that is specifically designed to work with this handset model. - S
