MDS 05-6632A01, Rev. F
MDS Orbit MCR/ECR Technical Manual
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Single unit AP, Remote, or Store and Forward
Patent pending extremely low latency and robust proprietary Media Access Control specifically
designed for 900 MHz communications
High Reliability
-
Error detection and re-transmit on error for Unicast traffic
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Repeat support for Multicast/Broadcast traffic
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Interference avoidance will not carelessly send data if a particular frequency cannot support
communications because of interference. Communications deferred until frequency becomes
available or network moves to a new frequency
Ability to skip frequency zones, useful for persistent interferes or co-located networks
Fragmentation support to minimize on-air time in noisy environments
Ad-hoc network discovery with multiple synchronization methods
Fast mode for minimizing synchronization times
Auto mode for discovering network modulation and optimal paths based on statistical analysis of the
network
Store and Forward
-
Supports up to 8-hops SAF level depth.
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Supports multiple SAFs on any level.
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Automatically adjusts Media Access scheme for SAF network to support simultaneous
communications at alternating levels and minimize latency, using dynamic fragmentation.
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Supports dynamic and static paths providing flexibility in designing the wireless network.
Quality of Service (QoS)
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Priority Queues
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Source/Destination port and addresses
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Protocol (UDP, TCP, etc.)
Licensed Narrowband
2.3.6
Licensed Narrowband operation is provided by the LN series NIC modules. Licensed Narrowband
modules provide robust long-distance communication in channel bandwidth sizes of 6.25KHz, 12.5KHz,
and 25KHz using QAM technology. Depending on bandwidth, raw data rates range from 20kbps to
120kbps. LN modules provide long-distance communications suitable to interface both Ethernet and
Serial controllers such as PLCs, RTUs and SCADA systems.
Key Benefits
Bi-Directional Adaptive QAM Modulation (QPSK, 16QAM, 64QSM)
Up to 50 miles LOS (Line of Sight)
Single unit AP or Remote
Low latency and robust proprietary Media Access Control specifically designed narrowband
communications
High Reliability
-
Error detection and re-transmit on error for Unicast traffic
-
Multiple Forward Error Correction (FEC) modes including adaptive FEC
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