The present invention is a memory circuit having a plurality of word lines, a plurality of bit line pairs, and memory cells disposed at the cross-position thereof. A data block to be transmitted is divided into N data packets which are successively transmitted as messages to the at least one receiver station, which individually acknowledges the reception of each of the messages, including the last such message of a data block, by sending an acknowledgement message. The shipping vendor processes the shipping information, and returns shipment data, including data to generate a shipping label. The contacts may allow IV characteristics of the nanorods to be measured.