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The International Centre for Theoretical Physics (ICTP),

A

mateur radio operators from CISAR

(which operates CisarNet, a nationwide

amateur radio communications system

which serves as part of Italy’s emergency

communications infrastructure), and a team of

Italian researchers from ICTP established the radio

link in the 5 GHz frequency band using Ubiquiti

Networks’ airFiber AF-5X radios.

“What makes this accomplishment significant

is the extremely high data rate and spectral

efficiency,” said ICTP spokesperson Ermanno

Pietrosemoli. “This link attains broadband data

rates of over 350Mbps, while using only 50 MHz

of spectrum.”

Pietrosemoli also noted that while this is not

a Frequency Division Duplex (FDD) system, the

link has latencies of less than 3.5 milliseconds, an

important measure of networking performance.

The link’s high speed and low-latency are ascribed

to the Ubiquiti gear’s proprietary Hybrid Division

Duplexing technology.

Despite the long distances involved, the

link was relatively simple to set up: “Once the

antennas were mounted on the towers, the

radios were aligned in a matter of minutes

using the airFiber radio’s built-in aiming tool,”

said Giuseppe Misuri, president of CISAR. “With

Ubiquiti’s airFiber equipment, we will be able

to increase our network capacity considerably

without requiring a major capital investment.

This upgrade will provide an excellent tool for our

ongoing studies of broadband propagation.”

The International Centre for Theoretical

Physics is a research institute for physical and

mathematical sciences that operates under

a tripartite agreement between the Italian

government, UNESCO and the International

Atomic Energy Agency. Founded in 1964 by the

late Nobel Laureate Abdus Salam, ICTP has been

a driving force behind global efforts to advance

scientific expertise in the developing world for

over 50 years.

o

2

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o

Ubiquiti Sets Up Long-Haul Italian Link with 300+Mbps

2Ascent Launches Turnkey

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wispa.org

WISPAPALOOZA 2016

OCTOBER 11-13, 2016

11

DAY

2

Celebrating

of the

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Booth#504

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10 Years