This is not a radio! This is a separation kit to convert your XPR5550/e into a remote handheld control unit. 

These kits are brand new and are compatible with XPR5550 or XPR5550e series mobiles. 

This handheld control head for the XPR 5000 Series radios allows for total installation flexibility, in-vehicle mobility, and total control of your mobile radio. The radio unit can be installed wherever it is most convenient: behind the seat, under the dash, or in the trunk. The control head can then be mounted close to the user on a standard hang-up clip HLN9073. The standard coiled cord is 1.8m (5.9 ft) long, and will stretch to 3m (9.8 ft). 

The control head allows users to move around within the vehicle and still stay connected. Ambulance attendants, bus drivers and delivery drivers can take the control head into the rear of the vehicle rather than being limited to the driver’s seat. With a full keypad, color screen, and channel and volume controls, the control head offers the full feature-set of a portable radio. Contacts lists, text messages, radio settings, work order tickets and notifications are all accessible from wherever you are in the vehicle.
This is an upgrade kit where you keep the front control head. Motorola Part No. PMLN7131. These units are in stock and available for immediate shipment.  You must have at least firmware version 02.40.00 installed in your radio BEFORE you install the HHCH or you can damage your radio.

This is the latest B Version, there were some reports with audio problems on the A Version.

This Hand Held Control Head (HHCH) PMLN7131 will work with the XPR5500 and XPR5500e Series radios.