Antenna Diversity Advice with ATMEGA128RFA1

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Hi 

 

We are using the following modules for a project.  @ANY2400-SC-3 Modules - Adaptive Network Solutions EN (an-solutions.de)

 

We have enabled Antenna Diversity in reg, but noticed the following and would like to know if this seems to be correct.

 

We placed one device in the basement of our office, and the other device three floors above.

 

When both antennas are connected, we get messages passing successfully.

 

If Antenna 1 (UFL connector closest to metal shield ) is only connected, we are still able TX/RX messages.

 

If Antenna 2 (UFL connector top part of the module ) is only connected, we do not get a strong signal and no message are able to TX/RX.

 

Does this sound correct?

 

Do both Antenna need to be connected, when antenna diversity is enabled? I was expecting that if either antenna is connected it would perform identically. 

 

This topic has a solution.

Thanks

Regards

DJ

Last Edited: Mon. Feb 15, 2021 - 08:39 PM
This reply has been marked as the solution. 
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Just realised that REG antDivEn was not enabled.

Thanks

Regards

DJ

Last Edited: Mon. Feb 15, 2021 - 08:38 PM