Forum Discussion
OldRadios
Apr 11, 2014Explorer
We have the new smaller one. It's a month old.
Also, they work on an RFID system. There is no battery in them. It uses the power from the transmitted signal at the toll booth to "excite" a small circuit inside the pass to enable it to broadcast a unique ID back to the receiver. Similar to security fobs on clothing in department stores that trigger an alarm at the front doors if they aren't removed by a clerk.
Also, they work on an RFID system. There is no battery in them. It uses the power from the transmitted signal at the toll booth to "excite" a small circuit inside the pass to enable it to broadcast a unique ID back to the receiver. Similar to security fobs on clothing in department stores that trigger an alarm at the front doors if they aren't removed by a clerk.
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