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MD4000 Modular Mesh Architecture.
Meshdynamics MD4000 nodes support up to 4 radios
in one outdoor enclosure. [Picture]
Slot 0, & Slot 1 uplink
and downlink form the basic backhaul, operating on 5.8GHz, 4.9GHz
or 2.4Ghz bands..
Slot 2 is generally used for a 2.4G or
4.9G AP (client access) radio.
Slot 3 may house
another AP radio, another downlink or a dedicated scanning radio (mobile nodes).
Custom Model Configurations are supported, see Model Numbering
MD4000 Commonly Used Network Topologies
MD4250 is used for remote
and perimeter security.
MD4350 is a popular configuration with one 2.4GHz Access Point
radio for client service.
MD4454 support two and four backhaul downlinks
MD4458 support multiple service radios where
high client density is anticipated. It supports 2 or 3 client AP radios.
MD4455 MD355 MD4325 use a scanning radio in
slot 3 to ensure rapid
switch over from node to node in a mobile setting.
Field tests demonstrated
real time video transmission from vehicles traveling at 60+ mph [Mobility
Bridging Across Multiple Networks.
Meshdynamics mesh nodes can bridge a 2.4 GHz sub tree with the 5.8GHz mesh
The figure above shows how this level of flexibility is supported. There are
4 mini-PCI slots on the board, two on the bottom and two on top. Each of the
four slots can house a different frequency radio. This opens up some
interesting possibilities including 2.4 GHz backhaul systems being part of a
mesh with 5.8 GHz backhauls. Since the service and backhaul radios are
distinct, it is possible to use a service radio to bridge over from a 5.8
GHz backhaul to 2.4 GHz backhaul. The 4325 Mobility Relay node on the bottom
left has joined the mesh – even though the upper links are 5.8 GHz (blue) –
through the service radio (pink). See:
Radio and Protocol Agnostic
Man-wearable Single Radio Modules.
Meshdynamics Interoperable framework supports both
single radio modules
(shown above). The compact multi-radio units form the core
Mobile Mesh Backhaul. Communications at the edge of the network
are supported by single radio mesh capable portable units to
provide communication and connectivity at the network edge.
Position Location Option.
See GPS Options.
location information is transmitted periodically with the mesh node heart beat.
The mesh node location is automatically updated on the NMS.
The NMS uses imported maps and dynamically manages the background image movement
to ensure that the current location is correctly depicted.
P3MTM Persistent Mobile Mesh.
A cluster of mobile nodes automatically form a
network with each other. If the cluster physically
separates into two smaller clusters, each will then become
its own independent network. If two separate
clusters/networks physically come together, one single
network will form and all nodes + associated clients will
then be able to share data. In a
deployed combat environment in Iraq, vehicle-mounted nodes
demonstrated reliable connectivity between convoy vehicles in
simultaneous motion. Networks split and reformed dynamically
and in real time. Applications supported by Meshdynamics
systems operated flawlessly as vehicles moved through rugged terrain.
Illustration Press Release
Persistent Base VoiceTM (PBV).
VOIP phones function even when the SIP gateway is not
reachable: the mesh nodes
act as a temporary proxy SIP server till nodes rejoin
the main mesh. Illustration Press
Release Application Notes
Design. Root and relay placements, modeling uplink and downlink spreads,
antenna selection etc.
Antenna selection, mounting and placement, model configuration, trouble
Software Download Software for configuring nodes. NMS is not
needed for the mesh network to run.
Configuration Guide Detailed
instructions on setting SSID, Encryption,
QoS, VLANs etc.