@Nick04 You could try that. I would also suggest to ensure that when you run speed tests, your device is connected to Main Deco. Try this: 1. Delete all Deco units from Deco mesh; 2. Delete Deco...

@Nick04 If you do not need features specific to default Deco Router mode, Access Point mode is better. Try another test: force Deco mesh Main Network to broadcast 5GHz signal only, and check speed...

@Nick04 If Main Deco connects to router (not just modem), you can switch Deco mesh to Access Point mode to see if this will improve its performance: Switching a Deco to Access Point (AP) Mode In case...

@Kossie The whole idea is to have ISP modem/router in its default gateway mode (not bridge mode) and have Deco mesh connect to it in Access Point mode.

Kossie wrote @Alexandre. I'll try that. Just wondering: Might a replacement of the deco router with a 'real' gigabit wifi router - and changing all decos to access points - be a better solution?...

@Kossie Connect laptop to second Ethernet port of Main Deco and run same speed test on it. You should be getting close to gigabit speeds, same as when laptop is connected to modem.