Delta will begin testing enhanced transponder and cabin video surveillance systems on an MD-88, making it the first airline to test a "comprehensive security solution-enhanced transponder system, ...

TRANSPONDER TEST: In-orbit testing of an eight-transponder payload on the Spainsat military communications spacecraft has been completed, U.S.-Spanish joint venture XTAR says. The spacecraft was ...

The New Jersey Turnpike Authority is testing an alternative to the E-ZPass transponder, experimenting with a windshield sticker that's embedded with an RFID chip that toll stations can scan. The ...