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12.1.2015

Idesco Oy

Special Windshields

Note that some vehicle windshields have metal coatings. These can substantially reduce reliable 

reading distance or even hinder reading.

Frequently, however, a metal-free area can be found in the windshield, either directly behind the 

rear-view mirror or at one of the corners.

For example, while Ford Mondeo windshields contain heating elements, a suitable tag location 

can be found in both of the windshield ‘s lower corners.

Note: some Audi A8 and Lexus car models come with windshield metal coatings to reflect UV 

radiation.  Unfortunately, this coating could reduce the reliable read distance of installed tags. 

If the reliable read distance of a windshield tag is unsatisfactory, Idesco can provide its EPC Metal 

Tag ABS for siting inside the vehicle (e.g. on the dash) or installed onto the vehicle bumper which 

will probably resolve the issue.

Summary of Contents for EPC

Page 1: ...12 1 2015 Idesco Oy AVI application Idesco EPC C00442E 1 01...

Page 2: ...Idesco Oy Content Reader and Transponder Factors 3 Emission Patterns Reader and Transponders 4 Installation of EPC Reader 5 Special Windshields 8 Long Distance Read Error 9 Examples of Reader and Tag...

Page 3: ...g at distances up to 1 5 meters Only hold tags by their edges holding the tag in its middle may disturb the antenna operation Note numerous radio reflective surfaces can heavily impact performance All...

Page 4: ...emission pattern of the reader Transactions occur when this pattern overlaps with the tag providing the chip enough power to reply to the reader EPC Windshield Labels reply with emissions in 360 degre...

Page 5: ...n the site environment Generally the best reader location is above a vehicle lane but not too high When installing above a lane place tags horizontally on windshields opposite the rearview mirror When...

Page 6: ...You can attempt installing Idesco EPC Windshield Labels vertically if an acceptable reading distance or reliability is not achieved with the label in horizontal position When the EPC Windshield Label...

Page 7: ...angle or the location of your reader Remember your reader will flash yellow after a successful reading event which will help you identify your reader s reliable reading zone When testing always hold y...

Page 8: ...ondeo windshields contain heating elements a suitable tag location can be found in both of the windshield s lower corners Note some Audi A8 and Lexus car models come with windshield metal coatings to...

Page 9: ...ns above In some instances metal surfaces near the reader are skewing the reading area causing the error Hanging your reader from above and aiming it straight downward can reduce such reflections whil...

Page 10: ...ssible the most ideal position for an AVI reader is above the vehicle lane This gives the reader the most optimal position for transacting with the tag Correspondingly tags should be installed opposit...

Page 11: ...ose as possible to the vehicle lane with the transponder preferably sited on that part of the windshield which approaches closest to your reader If corner siting of the tag isn t feasible try siting i...

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