@HBS66 

Hi,

Thanks for your feedback.

the Solar Panel Kits should work fine with the Deco via Ethernet connection;

For your case, would you please help us check the following information:

1. Please help me draw a picture of your network structure/map;
2. Did Deco M4 units work on the access point mode, or wireless router mode?
3. Did only the Deco that connected to the Solar Panell comms unit blink red? How about other units?
4. Could you please send me a link of the Solar Panel Kits as well?

Thank you very much and wait for your reply.