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ADTRAN Advances Gigabit Society with NBN Co in Massive Rollout of Its Cutting-Edge G.fast Fibre-to-the-Curb (FTTC) Technology

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Using G.fast to build fast, reliable "National Broadband Access
Network" by 2020

ADTRAN®,
Inc.
, (NASDAQ:ADTN), the leading provider of next-generation open
networking solutions, today announced its gigabit-capable 2nd
generation G.fast Distribution Point Units (DPUs)
will be installed
underground throughout Australia as NBN Co begins the next phase of
future-proofing the country's national
broadband access network (nbn)
.

"NBN is setting a global standard for advanced Gigabit Society
infrastructure by designing and implementing a nationwide broadband
network using multiple next-generation technologies, including G.fast,
to scale to gigabit service rates and beyond," ADTRAN EMEA/APAC Chief
Technology Officer Ronan Kelly said. "ADTRAN is proud to be a partner in
this exciting project, which has shown how the nbn – in eight short
years – has already contributed significantly to the economy and social
wellbeing of millions of Australians."

ADTRAN has shipped hundreds of thousands of the most advanced generation
of G.fast ports for this project. G.fast is an excellent fibre
service extension technology
because it uses existing wired
infrastructure to bring higher broadband speeds to customers by linking
large capacity fibre networks to homes and businesses.

The first G.fast DPUs are being installed in the Sydney suburb of
Rockdale, where the newest phase of the wholesale nbn is being built out
by 2020. This is the first network in the world to deliver high speeds
of broadband via in-ground G.fast DPUs, according to NBN Chief Network
Engineering Officer Peter Ryan.

"ADTRAN is a valued strategic partner for nbn and has played a key role
helping nbn meet our deployment goals to evolve our network," Ryan said.
"I am very pleased that we are taking this next step together on our
journey of delivering cutting-edge technology to Australians with our
first deployment of ADTRAN G.fast technology onto the nbn FTTC network.
Having this technology in the ground today gives us additional
flexibility to meet end-user demand as it evolves."

Ryan further explains the benefits of using G.fast in a new blog
and why it is an important technology to deploy in its progress to
connect Australia to the nbn
broadband access network
and be prepared for gigabit capable
networks of the future.

ADTRAN was among the first to deliver G.fast
solutions
that conform with Amendment 3 of the ITU-T G.fast
standard, which doubles the usable spectrum from 106 MHz to 212 MHz and
reduces the power consumption to enable convenient and cost effective
reverse power feeding. With Amendment 3, G.fast is now capable of
providing an aggregated bandwidth of 2 Gbps, delivering fibre-like
speeds for applications which require leveraging the existing phone or
cable television wiring infrastructure. The increased capacity also
helps operators with additional deployment flexibility, as for the first
time G.fast-based services can be delivered to locations where these
need to coexist with existing VDSL2 services while still maintaining the
ability to deliver symmetric Gigabit speeds.

About ADTRAN

ADTRAN, Inc. is the leading global provider of networking and
communications equipment. ADTRAN's products enable voice, data, video
and internet communications across a variety of network infrastructures.
ADTRAN solutions are currently in use by service providers, private
enterprises, government organizations and millions of individual users
worldwide. For more information, please visit us at www.adtran.com,
LinkedIn
and Twitter.

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