First, thank you @TP-Link for actually asking for your customers opinion - especially after purchase. Most companies don't care once they have your money. Many who have commented so far have said...

Hi! Just purchased this as a replacement for my former ISP's modem (Telstra "Smart Modem" v1: Technicolor DJA0230). FYI: NBN tech recommended upgrade of modem because speeds not reaching ISP's SLA...