@Arrowman It's my fault: I should have asked. 50Mbps is good speed for wireless Satellite Deco on WiFi 2.4GHz. I suggest you still run speed test for Main Deco WiFi with 2.4GHz, I suspect you won't...

@Arrowman Arrowman wrote @Alexandre. Ok thanks - I never use the 5 GHz band - its always the 2.4 one. This is the critical piece of information. In my tests with Deco M5 on 2.4GHz I have never seen...

@Arrowman When testing the WiFi from the Main Deco with the Ookla app should I put the other satellite Decos offline or does it make a difference? Good point: makes sense to turn off Satellite Decos,...

@Arrowman I just thought of one more test you can do: bring Satellite Deco M4R to your home office and connect your PC to it by Ethernet cable. See if speed test on PC gives you better results with...

@TheWrights03 WiFi interference from household appliances, walls and other obstacles, distance between Satellite and Main Deco all cause WiFi speed degradation. Main Deco speed is not that bad, but...

@Arrowman If you have CAT5 cabling and can use it in your home office to connect Satellite Deco to it, the speed of WiFi will be much faster there than what you have now. See this document for...