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TMS37157: Issue communicating with TMS device

Part Number: TMS37157

Hi, I'm currently trying to create a system involving the MRD2 Reader and TMS37157 transponder. we know the reader works; however, we can not seem to detect our TMS circuit by using the MicroReader2 software. Attached are the images of our schematic designs, any help regarding what we may be doing wrong would be helpful, for reference we are using the 5315TC antenna. We have tried with the device both connected and not connected to a battery and the results are the same. We have not done the antenna trimming process and are currently working on doing so, but we assumed it would still be able to communicate somewhat just not perfectly.