A system is provided of tracking objects loaded into a receptacle, where the receptacle defines a chamber having an open side for receiving the objects and has a perimeter about the open side. The system comprises a radio frequency identification antenna spaced from the receptacle and attached to the perimeter about the open side, and a radio frequency identification reader attached to the receptacle for receiving a signal from the antenna. The system further comprises a control unit attached to the receptacle communicating with the reader for processing the signal from the antenna.