Any Delawarean who opens a new E-ZPass account any time during the month of August will receive a free transponder. Normally, ...

Delaware is offering free E-ZPass transponders for new accounts in August. Find out how to claim yours and learn about ...

A transponder is a radio transmitter in the cockpit that works with ground radar. When the transponder receives a signal from a more sophisticated ground “secondary” radar, it returns a squawk ...

A transponder for use in general aviation would typically cost from $2,000 to $7,000; versus $20,000-$30,000 for a commercial airliner. There’s nothing fancy about the technology.