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TRANSCRIPT
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Amateur Radio Emergency Service®
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Ham Radio MESH Networks also know as
High-Speed Multimedia Mesh (HSMM)
Broadband-Hamnet (BBHN)
Amateur Radio Emergency Data
Network (AREDN)
Wayne Gronlund, N1CLV Connecticut Assistant Section
Emergency Coordinator
Amateur Radio Emergency Service®
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Amateur Radio Emergency Service®
AREDNAt the center of emergency
PREPAREDNESS
Presented to the
COLUMBIA AMATEUR RADIO CLUBBill, W1GTT
January 6, 2020
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Amateur Radio Emergency Service®
BASIC MESH
CONCEPTSAdapted from
AREDNmesh.org and/orBroadbandHamnet.org
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Amateur Radio Emergency Service®
➢ MESH Concept
➢ Power over Ethernet (PoE)
➢ Optimized Link State Routing
➢ Frequency Allocation
➢ Video Transmission
➢ VoIP Telephony
➢ Device-to-Device Linking
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Amateur Radio Emergency Service®
• MESH is a wireless data network; it
is not application software. It is a
special firmware build that transforms
consumer wireless gear to a specialized
ham radio function. It then uses
application software to transport your
data from place to place.
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Amateur Radio Emergency Service®
• A MESH network is a highway over
which data travels. Turning on two mesh
nodes loaded with the mesh firmware
creates a data network. This network
carries your data and allows your local
computer to use information or
applications stored in other locations.
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Amateur Radio Emergency Service®
• MESH nodes were originally consumer
wireless routers but changed function
when the firmware was changed.
• After conversion, the WAN, LAN and
Wi-Fi ports are linked using special
rules and no longer operate like a
normal wireless router.
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Amateur Radio Emergency Service®
• Some devices like the Ubiquiti Bullet
have only a single network connection.
Others like the Linksys WRT54x series
or the Ubiquiti AirRouter have multiple
LAN jacks and the Internet (WAN) jack.
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Amateur Radio Emergency Service®
• MESH nodes are self discovering,
self configuring, self advertising
and fault tolerant.
• MESH nodes are small, portable,
low-power and inexpensive. They
are easily battery powered.
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Amateur Radio Emergency Service®
• Power over Ethernet or PoE
describes any of several standardized
systems which pass electrical power
along with data on Ethernet cabling.
This allows a single cable to provide
both data connection and electrical
power to devices such as wireless
access points or IP cameras.
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Amateur Radio Emergency Service®
• The Optimized Link State
Routing Protocol (OLSR) is an IP
routing protocol optimized for
mobile ad hoc networks, which
can also be used on other
wireless ad hoc networks.
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Amateur Radio Emergency Service®
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Amateur Radio Emergency Service®
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Amateur Radio Emergency Service®
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Amateur Radio Emergency Service®
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Amateur Radio Emergency Service®
Routers Usable for MESH
Linksys WRT54GS (not AREDN)
Ubiquiti airMAX Series(Nano, Pico, AirRouter, etc)
MikroTik, TP-Link, GL-iNet, etc
Raspberry Pi Computers
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Amateur Radio Emergency Service®
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Amateur Radio Emergency Service®
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Amateur Radio Emergency Service®
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Amateur Radio Emergency Service®
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Amateur Radio Emergency Service®
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Amateur Radio Emergency Service®
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Amateur Radio Emergency Service®
BBOB
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Amateur Radio Emergency Service®
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Amateur Radio Emergency Service®
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Amateur Radio Emergency Service®
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Amateur Radio Emergency Service®
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Amateur Radio Emergency Service®
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Amateur Radio Emergency Service®
• Queue the LIVE demonstration
of ad hoc networking by MESH
devices along with video data
transfer and VoIP telephony!