[Scan-DC] Detect-A-Pass E-ZPass Transponder Detector

[Jeff Krauss]

Are you sure you aren't detecting the emission from the reader?
I think the way the EzPass works is that the device in your car is a 
homodyne transmitter that reflects back the signal from the reader 
after it modifies the signal in a way that is unique to your device.
At least some of the readers are manufactured by Kapsch, operate in 
the 915 MHz range licensed under Section 90.353, with output power 
around 1 watt.  Search the ULS with Radio Service code LN for 
transmitter locations.
Licensees include 95 Express Lanes, LLC , Capital Beltway Express, 
LLC, TOLL ROAD INVESTORS PARTNERSHIP II, L.P., etc.


At 02:38 PM 1/15/2018, Andrew Clegg wrote:

>- The device apparently works by detecting emissions from _your_ 
>EzPass. It detects when your EzPass responds to an interrogation, 
>apparently. So if you don't have an EzPass in your car, I don't 
>think the detector will work.


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