hi i just install deco network consist of: 1x DecoX10 (hw v.1 / fr v.1.2.1) as pppoe modem (main unit) 4x DecoX10 (hw v.1 / fr v.1.2.1) as access point 3x DecoM5 (hw v.3.2 / fr v.1.8.5 as access point