HID 4045CGNU0 is a stand alone keypad reader and is ideal for unique applications. Designed to weather and vandal-resistant. And it can mount indoors or outdoors up to 10 feet away from the control unit using the detachable antenna module. The versatile, attractive unit is easily modify to become an on-line reader by switching to Wiegand output mode. Allowing it to connect to any OEM controller and provide card and PIN output.