There might be because they offer them both, but from a perspective of overall P/L including inventory/stocking, advertising, and supporting, having both might save a few dollars on the modem while spending it on the other things? Product rationalisation might make sense, but not for us consumers. That is for their product managers.
From the mouth of NBN Co:
Some of the key features that will influence whether nbn can provide support for your service are:
- VDSL2 - VDSL2 is the technology utilised to deliver FTTN and FTTB services. (Older ADSL and ISDN modems are not compatible with the FTTN network)
- Vectoring - Vectoring is a capability which optimises the performance of all the FTTN or FTTB services in an area by preventing electrical signals from neighbouring services from interfering with each other.
- Seamless Rate Adaption (SRA) - SRA is a feature which fine tunes the performance of FTTN and FTTB services throughout the day to avoid dropouts and optimise service speed in response to gradual changes in copper network conditions.
- Save Our Showtime (SOS) - SOS is a feature which rapidly responds to spontaneous changes in copper network conditions which would typically result in a dropout.
- Robust Overhead Channel (ROC) - ROC is a complementary feature to SOS which enables nbn to maintain connectivity with your modem in the event of spontaneous changes in copper network conditions.
For the full list of VDSL2 modem requirements, please refer to the nbn™ Network Interface Specification – UNI-DSL.
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Especially given FTTN, which typically uses ISP sold and consumer owned ‘integrated modem’ routers. is still one of, if not ‘the’ most common connection type.
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