... standards-based, proximity contactless connectivity technology that enables simple and safe two-way interactions between electronic devices, allowing consumers ... to perform contactless transactions, access digital content, and connect electronic devices with a single approach. 13.56MHz Mifare ... x 54, 73 x 23, 55 x 17, 50 x 50, 40 x 25, 35 x 35, 30 x 15, 50 x 35, 45 x 45, 38 x 38 and ...