Hi @HT_NBN_Issue   We are glad to know that you are able to maximize the 5Ghz wireless connection of your TP-Link VR1600v.   Wi-Fi nowadays work on either the 2.4GHz or 5GHz spectra.   Each spectrum has its advantages and disadvantages which depend heavily on environmental factors.   2.4GHz lower frequency means longer range (with walls and solid objects all considered) prone to more interference from cordless phones, older microwave ovens, and bluetooth devices that also use 2.4GHz supports lower maximum data rates on the latest 802.11n and 802.11ac router technology as compared to 5GHz   5GHz higher frequency means shorter range (with walls and solid objects all considered) no interference from 2.4GHz devices such as cordless phones, older microwave ovens, and bluetooth devices supports significantly higher maximum data rates on the latest 802.11n and 802.11ac router technology as compared to 2.4GHz Credits to Ozone.   Please see his original post available here 2.4ghz vs 5ghz   Note: Please be advised that not all device(s) are compatible with 5Ghz wireless connection.   Q: How do I know if my device supports 5GHz?   A: If your device supports 802.11a and 802.11ac it will definitely support 5GHz ... View more

Hi @HT_NBN_Issue,   Welcome to the community!   Thank you for your feedback. Whilst we successfully install thousands of NBN services each week we would like to sincerely apologise that this was not your experience.   We understand your frustrations regarding the missed installation appointment particularly when you the installation was rescheduled without any explanation.   We're able to locate your account using your community details and seen that this installation is now being handled by one of our Provisioning Case Manager.   We will pass this to them and make a follow up at the same time. We'd like to get your best contact number and preferred time and we'll have them contact you.  Regards, ... View more