The EXP9600 is a wireless extension for office PBX systems - a business phone.  It was made by Uniden and 'brand named' for other companies such as NEC, TelRad, Intertel, and Panasonic. 

This particular model was sold by Uniden for about $400.  It is for PBX systems that do not produce digital interface.  The EXP9600 is an analog extension, and can accommodate up to 30 wireless channels.   Now you can walk about your office or down the hall and still talk on the telephone when you need to do so.

This sale is only for the phone, charger station, and base, which comes without any interface card.  The EXP9600 will not work until an interface card is installed.  You will need to purchase it separately.  There are online sources for interface cards.

Also included are two Rechargeable batteries, BT-9000, DC 4V, 500mAh, a sealed lead acid battery.  The AC Charger Adapter is a class 2 power supply, Model AD-960, Input AC 120V 670Hz 7W, and Output is DC 9V 350mA. The Base AC Adapter is Model AD-9500, Input AC 120V 60Hz 14W, and Output is DC 10V 500mA, class 2 power supply.  A belt clip and wall mounts are also included in the package.