This is the EnGenius DuraFon UHF Handset.  This dual-mode radio phone DuraFon-UHF-HC handset is world's only durable, long-range cordless phone with a UHF 2-way radio that allows communication with both UHF 2-way radios (like an Motorola CLS/CLP) and telephone users. It works with  EnGenius DuraFon Pro System. The Durafon UHF Handset is ideal for office workers that need to make and receive calls and want the added convenience of communicating with other workers using UHF 2-way radios. Make and receive both internal and external phone calls. DuraFon UHF handsets are designed to work with existing DuraFon Pro system (sold separately) which provides telephone access and allows communication with other DuraFon handset as well as other 2-way radios.

Key Features:

The package Includes:

DuraFon-UHF-HC Handset
Desktop Charger with AC/DC Adapter
Quick Set-Up Guide
Li-Ion Battery

For more information see EnGenius DuraFon UHF datasheet as well as the EnGenius DuraFon UHF Manaual