nrf9160 - custom board antenna hardware and prj

Good day 

We have discovered an issue with our custom nrf9160 and can't determine if it is a hardware or configuration issue.  We have uploaded a simple lwm2m client on both the thingy91 and our custom board.  The registration updates as well as other send requests on lwm2m are substantially slower on our brick device.  Below you can see the speed of both devices:

As you can see, the registration updates and socket 'connect' is much faster.

We were wondering if this is due to our hardware or perhaps there is a configuration we have failed to add.  Attached is a snippet of our device schematic:

Please assist to let us know if we need to apply hardware changes.  Perhaps even use the same HW design as other nrf9160 devices.

Kind regards,

Hassan 

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