Is there something wrong with the L96-m33 hardware design?

IoT Modules GNSS Module
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I built a simple board to test the L96-m33. I’m trying to test it in two modes: left and right.
However, I can’t receive GPS data in either mode.
Is there a problem with the hardware design?

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Hi @hu_s

Please tell me which antenna is be used. When the built-in patch antenna is used, R1(0) should be mounted. If an external antenna is used, R1(0) should not be mounted.

Your ANTON pin is unused, is your antenna is passive?

Moreover, i have sent technology reference document to you through email. Please check it.

Best regards.