How about one of the Huawei's.... But bcat or one of the others is possibly best for advising which model for adsl2+ as I've only used them on vdsl.
For completeness, having seen
Kitz' suggestion above, I'll say that none of the three
Huawei EchoLife Home Gateway devices, of which I have experience, will fulfil
Konrado5's requirements.
HG610 -- Broadcom chipset, four Ethernet ports (not gigabit), no WiFi, G.Dmt, ADSL2, ADSL2+, VDSL2, difficult to source.
HG612 -- Broadcom chipset, two Ethernet ports (not gigabit), no WiFi, G.Dmt, ADSL2, ADSL2+, VDSL2, easily obtained via
eBay.
HG622 -- Broadcom chipset, four Ethernet ports (not gigabit), WiFi, USB port, G.Dmt, ADSL2, ADSL2+, VDSL2, difficult to source.