Radio Frequency Technology

American Express Co.'s experiment with contactless payment based on keyfobs in and around Phoenix, in progress since July, is expanding into more locations and apparently meeting with merchant and consumer approval. The ExpressPay program, which puts small keychain fobs in the hands of consumers instead of plastic cards, relies on …

MasterCard is evaluating the next step for its contactless payment program following the conclusion of its PayPass test using a chip-based card in Orlando and as it nears the conclusion of a test involving the use of cell phones as a payment device in Dallas. The card company is expected …