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Hi
I have tested an evaluation kit for TRF7970A.
My application is a control panel with some push buttons.
The operator must have a wristwatch tag or even better a tag in his pocket to use the panel.
The user shall not need to push a button on the "tag" to open up the control panel.
If the operator is more than 5 meters away from the panel it shall not be active.
No security is needed. Any tag is OK.
The maximum size of the antenna is 135x65 mm.
With wristwatch tag and TRF7970A evaluation module the reading distance is in the range of 50 mm. Increasing the antenna will not solve the task.
Is it possible to use TMS3705 with UCC27424-Q1?
What other solutions?
Best Regards
Goran
Hi
Reading distance is not 5 meters
Using a wristwatch tag reading distance must be 30 cm or more
Using a tag in a pocket reading distance must be 1 meter or more
Reading distance must be less than 5 meters.
Best Regards
Goran