worp sync webinar - proxim
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© 2014 Proxim Wireless. All rights reserved. 1© 2014 Proxim Wireless. All rights reserved. 1
WORP Sync WebinarThursday, September 18th, 2014
© 2014 Proxim Wireless. All rights reserved. 2© 2014 Proxim Wireless. All rights reserved. 2
Agenda
Interference
Base Station Synchronization
Proxim Solution
WORP Sync vs WORP
WORP Sync vs competition
WORP Sync and Cambium PMP
Deployment information
Order information
© 2014 Proxim Wireless. All rights reserved. 3© 2014 Proxim Wireless. All rights reserved. 3
Interference
Interference is the reception of signals from sources other than the intended source
When unit is receiving data from its peer, if at the same time it also receives signal from nearby RF source, data flow is interfered
Nearby RF sources do not interfere transmission of signal
One can distinguish two type of interferences
External interference or noise:
Interference is generated by an unknown or unqualified source
One way to cope is to identify the interfering frequency source (using spectrum analyzer) and to move away from it (using different frequency, narrow beam width antenna, tuning receiver sensitivity …)
Self interference:
Two or more devices in the same network interfere with each other
Proper RF planning can go a long way to mitigating self-interferences(ensuring nearby device do not use adjacent channel and keeping enough physical separation between units)
In addition Base Station synchronization is a powerful mitigation tool
© 2014 Proxim Wireless. All rights reserved. 4© 2014 Proxim Wireless. All rights reserved. 4
Base Station Synchronization
With asynchronous protocol (such as WORP)
Each base station adapts its transmit/receive pattern to the data flow
When multiple base stations are collocated, each follows its own transmit/receive pattern resulting in possible self interference condition
The first step toward Base station synchronization is to make sure that synchronous protocol is used
Tx
Rx
Tx
Rx
Tx
Rx
Interferences
© 2014 Proxim Wireless. All rights reserved. 5© 2014 Proxim Wireless. All rights reserved. 5
Base Station Synchronization
With synchronous protocol (such as WORP Sync)
Each base station follows a predefined and constant transmit/receive pattern
When multiple base station are collocated, even if they all follow the same transmit/receive pattern, they may not be synchronized with each other resulting in possible self interference condition
The second step toward Base station synchronization is to make sure that all devices are synchronized together
Tx
Rx
Tx
Rx
Tx
Rx
Interferences
© 2014 Proxim Wireless. All rights reserved. 6© 2014 Proxim Wireless. All rights reserved. 6
Base Station Synchronization
Base Station Synchronization requires all nearby Base Station to use the same time reference to start the transmit/receive pattern simultaneously
It can be achieved by:
Master Base Station sending sync signal to collocated Base Stations
All Base Station following the same external clock reference (such as GPS)
The goal is to ensure that nearby devices all transmit or receive simultaneously
Synchronization is only needed for the Base Stations
Client follow Base Station pattern and thus are de facto synchronized
Only Base Station are collocated on one physical site
Tx
Rx
Tx
Rx
© 2014 Proxim Wireless. All rights reserved. 7© 2014 Proxim Wireless. All rights reserved. 7
Proxim Solution
Proxim’s initial approach to interference, with Tsunami® 8100/8200 series, is a high quality radio device coupled with the tools necessary to enable proper radio planning
Good adjacent channel rejection
Base stations can be installed 3 meters from each other without self-interfering
Wide frequency range and agility
No need for different hardware variant to use the best available channels
Automatic Channel Selection and Dynamic Channel Selection select optimum channel at boot up time or during operation
WORP robustness
Forward Error Correction and an advanced retry mechanism ensures data transmission even in harsh RF environment
With the growing demand for capacity, network managers tend to increase the number of Base Stations per site.
It results in more complex planning to avoid self-interference issue
© 2014 Proxim Wireless. All rights reserved. 8© 2014 Proxim Wireless. All rights reserved. 8
Proxim Solution
Proxim new solution to self-interference is the release of Tsunami® 8200-G and Tsunami® 820 series hardware and WORP Sync software solution
Tsunami® 8200-G and Tsunami® 820 Base Station and Quickbridge are designed to support one Pulse Per Second external source
GPS module to be plugged on unit serial portProxim recommends the use of Garmin GPS 16X-HVS
Tsunami 8200-G and 820 unit provides 12 VDC to the GPS module via serial port
Ethernet Sync module to be plugged on the unit ethernet portProxim recommends the use of Last Miles Gear CTM2/CTMexpress8
CTM provides 56 VDC to Tsunami 8200-G and 820 unit
CTM only supports fast ethernet!
© 2014 Proxim Wireless. All rights reserved. 9© 2014 Proxim Wireless. All rights reserved. 9
Dual FirmwareSupport
Can be loaded with WORP® Sync for multiple Base Station synchronization or with WORP® for dynamic bandwidth allocation
Centralized Management
ProximVision NMS centralized network management system provides rapid network deployment and mobile configuration
Integrates within Existing Networks
Upgrade your existing client devices with WORP® Sync firmware and synchronize them automatically with Tsunami® MP-8200-G Base station
GPS Sync
Synchronize RF transmission based on the pulse retrieved directly from the plugged-in GPS module (via serial port) or from the synchronization device (via ethernet port)
Part of Tsunami®Family
Tsunami® 8200-G is as robust and feature-rich as any other Tsunami® 820/8200 device
Flexible Bandwidth Management
Allows to select Up Link / Down Link ratio that precisely matches traffic requirement.Also offers choice between latency or throughput optimization
Tsunami® 8200-G Series
© 2014 Proxim Wireless. All rights reserved. 10© 2014 Proxim Wireless. All rights reserved. 10
Robust and Secure
IP67 aluminum enclosure ensures operation in extreme environments while AES and secure management protect data traffic
Centralized Management
ProximVision NMS centralized network management system provides rapid network deployment and mobile configuration
Pay as you Grow
License based performance providing throughput evolution from 50 to 100 Mbps.
High Tx power for a better range
Tsunami® 820 features high power radio capable of 26 dBm Tx power for extended coverage
Compact Form Factor
Smaller footprint helps WISP or video surveillance deployments in urban environments
Backward Compatible
Tsunami® MP-820 series is fully compatible with Tsunami® MP-8100/8200 series. It can also interoperate with Tsunami® MP.11 5054 previous generation
Mobile Roaming
Seamlessly roams between Base Stations at speed up to 185mph (295km/h)
Easy to Install
Wide angle (30°) antenna to quickly pick up Base Station signal associated with LED indicator to finalize alignment for optimum performance
Tsunami® 820 Series
© 2014 Proxim Wireless. All rights reserved. 11© 2014 Proxim Wireless. All rights reserved. 11
WORP Sync
WORP Sync is the synchronous variant of WORP®
It is designed to mitigate interference found in dense networks and simplify channel planning task
Based on a Time Division Multiplexing architecture it defines a fixed transmit/receive pattern to be used by all units across the wireless network
WORP Sync must be loaded on all devices that are part of the network.It is compatible with the following devices:
Tsunami® 8200-G and 820 Base Station and Quickbridge.
Requires one pulse per second external source
Tsunami 820 support to be released soon
Tsunami® 8100, 8200 and 820 clients (SU / CPE)
No specific hardware required
WORP Sync is also capable of matching other vendors transmit/receive pattern
First release includes Cambium mode allowing to co-exist with PMP 100, 430 and 450 network
© 2014 Proxim Wireless. All rights reserved. 12© 2014 Proxim Wireless. All rights reserved. 12
WORP Sync Network Setups
WORP Sync allows the following setups:
Two Base Station, AA channel design
Elements of one sector should not receive signal from the other sector
Three Base Stations, ABC channel design
All three sectors should use unique frequency
Channels A, B and C can be adjacent
Four Base Stations, ABAB channel design
Back to Back sector can re-use the samefrequency as long as elements of one sector do not receive signal from the opposite sector
Channels A and B can be adjacent
© 2014 Proxim Wireless. All rights reserved. 13© 2014 Proxim Wireless. All rights reserved. 13
WORP Sync Modes
WORP Sync proposes three synchronous modes
Proxim mode:Sets optimum performance for Proxim only network
2.5 ms time frame
20 to 80 % @ 20 MHz and 15 to 85 % @ 40 MHz DL ratio (5 % steps)
Maximum distance
Inter and Intra Frame delay
Cambium -PMP mode:Sets optimum performance to co-exist with Cambium PMP network
2.5 ms time frame
20 to 80 % @ 20 MHz and 15 to 85 % @ 40 MHz DL ratio (5 % steps)
Cambium control Slots and Maximum distance
Custom mode (via CLI only):Allows to manually configure WORP Sync for fine tuning
2.5, 5 or 10 ms time frame, configurable between both directions
Up to 3 sub slots per direction
Intra and Inter Frame delay
© 2014 Proxim Wireless. All rights reserved. 14© 2014 Proxim Wireless. All rights reserved. 14
WORP Sync Modes
Two extra modes are also available
Autonomous mode
When the 1 Pulse Per Second signal is not received by the unit, it is possible to continue operation using unit internal timer as a reference
In this mode, the unit follow the defined receive/transmit pattern but it is not synchronized with nearby units.
“BSU operation (without GPS signal)” parameter should be set to Yes
WORP Sync Disabled mode (via CLI only)
In this mode, the unit uses Proxim’s proprietary polling protocol
Not yet interoperable with WORP
© 2014 Proxim Wireless. All rights reserved. 15© 2014 Proxim Wireless. All rights reserved. 15
WORP Sync vs WORP
WORP Sync helps address self interference issues
It ensures that nearby radios receive or transmit simultaneously.
This is beneficial for a WISP with large network deployments.
WORP is robust to noise (unknown interference).
WORP flexibility allows it to postpone transmission and retries it at a better time.
WORP Sync Transmission occurs in the predefined time window even if unknown unit transmit at the same time.
WORP Sync is very efficient for predictable traffic.
If the traffic match the fixed uplink downlink ratio no time is wasted
This is beneficial for video surveillance deployment
WORP is very efficient for evolving network
WORP flexibility allows to match customer needs
WORP Sync follow a constant transmit/receive pattern, if customer traffic differs from the predefined UL/DL ratio, time slot is wasted
Wasted time
Tx
Rx
© 2014 Proxim Wireless. All rights reserved. 16© 2014 Proxim Wireless. All rights reserved. 16
WORP Sync vs WORP
WORP Sync provides similar performance than WORP
With small channel size, WORP Sync overhead slightly impact throughput.
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MCS8 MCS9 MCS10 MCS11 MCS12 MCS13 MCS14 MCS15
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PTP UDP throughput
WORP 40 MHz WORP sync 40 MHz
WORP 20 MHz WORP sync 20 MHz
WORP 10 MHz WORP sync 10 MHz
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PtMP UDP throughput (3 BSU)
WORP 40 MHz WORP sync 40 MHz
WORP 20 MHz WORP sync 20 MHz
WORP 10 MHz WORP sync 10 MHz
© 2014 Proxim Wireless. All rights reserved. 17© 2014 Proxim Wireless. All rights reserved. 17
WORP Sync Latency can be higher than WORP .
WORP Sync time frame size directly impacts latency.
Enabling multiple sub slot mitigates this impact
WORP Sync vs WORP
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MCS8 MCS9 MCS10 MCS11 MCS12 MCS13 MCS14 MCS15
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Modulation
PTP ping Latency @ 20 MHz
WORP WORP sync 2.5ms
WORP sync 5ms WORP sync 10ms
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PTMP (5 SU) ping Latency @ 20 MHz
WORP WORP sync 2.5ms
WORP sync 5ms WORP sync 10ms
© 2014 Proxim Wireless. All rights reserved. 18© 2014 Proxim Wireless. All rights reserved. 18
WORP Sync delivers more small packets
RFC 2544 test comparison for WORP and WORP Sync
WORP Sync vs WORP
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PPS per packet size @ 20 MHz
WORP WORP sync 2.5 ms
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Packet size in Bytes
PPS per packet size @ 40 MHz
WORP WORP sync 2.5 ms
© 2014 Proxim Wireless. All rights reserved. 19© 2014 Proxim Wireless. All rights reserved. 19
WORP or WORP sync
Selection between WORP or WORP Sync depends on base station density, frequency availability and traffic
WORP is recommended
when traffic evolves over time (building connectivity)
when available channels are not limited
WORP Sync is recommended
when Traffic is constant (video surveillance)
when base station density is large (Wireless Internet Service Provider)
© 2014 Proxim Wireless. All rights reserved. 20© 2014 Proxim Wireless. All rights reserved. 20
WORP Sync vs Competition
Support for Synchronous and Asynchronous mode on the same hardware
Easily adapt to match network condition
Wide channel size from 10 to 40 MHz
Match customer requirement for limited bandwidth occupation or for high throughput capacity
Flexible pattern definition
2.5 to 10 ms time frame with configurable guard interval
15/85 % bandwidth allocation with 5 % steps
Ensure optimum media usage whatever the condition
Common Timing Protocols (CTP) enabling interference-free operation even in certain multi-vendor equipment environments
Allow to mimic competitor pattern in order to co-exist with already deployed equipment
Cambium PMP 100, 430 and 450 already supported
© 2014 Proxim Wireless. All rights reserved. 21© 2014 Proxim Wireless. All rights reserved. 21
WORP Sync and Cambium PMP
WORP Sync can be configured to mimic Cambium PMP pattern
Co-existence depends on channel spacing
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MCS13 MCS14 MCS15
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Modulation
WORP sync - ref PMP450 - ref
BSU1 40 MHz PMP450 20 MHz
BSU2 40 MHz
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WORP sync - ref PMP450 - ref
BSU1 20 MHz PMP450 20 MHz
BSU2 20 MHz
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WORP sync - ref PMP450 - ref
BSU1 10 MHz PMP450 10 MHz
BSU2 10 MHz
WORP Sync and PMP450 adjacent channel A-B-C
© 2014 Proxim Wireless. All rights reserved. 22© 2014 Proxim Wireless. All rights reserved. 22
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MCS13 MCS14 MCS15
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Modulation
WORP sync - ref PMP450 - ref
BSU1 20 MHz PMP450 20 MHz
BSU2 20 MHz
WORP Sync and Cambium PMP
WORP Sync can be configured to mimic Cambium PMP pattern
Co-existence depends on channel spacing
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MCS13 MCS14 MCS15
UD
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Modulation
WORP sync - ref PMP450 - ref
BSU1 10 MHz PMP450 10 MHz
BSU2 10 MHz
WORP Sync and PMP450 adjacent channel A-B-A
© 2014 Proxim Wireless. All rights reserved. 23© 2014 Proxim Wireless. All rights reserved. 23
Deployment Recommendations
Physical Separation
1 meter vertical separation is required between units for optimal adjacent channel operation. (AB)
1 meter vertical separation and 2 meters horizontal separation is required for Co-channel operation. (ABAB).
Antenna orientation and alignment
Azimuth and tilting are very important calibrationswhen deploying for optimized configuration.
Ensure Subscriber only receive signal from its intended Base Station
Each environment is unique so co-location will require field experience to understand limitations
© 2014 Proxim Wireless. All rights reserved. 24© 2014 Proxim Wireless. All rights reserved. 24
Deployment tool
Spectrum Analyzer and Advanced Spectrum Analyzer
Advance mode in Spectrum Analyzer is used to scan different channels and analyze the SNR values from different BSUs / SUs.
Configure each link in the cluster with different interference free channels that are 20 MHz apart or more.
Run the advanced spectrum analyzer on the SUs.
The SU should receive a strong signal only from its BSU, and the signals if received from any other BSUs/ SUs should be with very low SNR.
© 2014 Proxim Wireless. All rights reserved. 25© 2014 Proxim Wireless. All rights reserved. 25
Deployment with Garmin GPS
When using , the following setup is needed:
Garmin GPS 16X-HVS is connected to BSU RJ11 serial port
Proxim GPS package PN# 949-00092includes RJ45 to RJ11 dongle
If purchased from third party vendor,RJ45 to RJ11 dongle is required PN# 949-00111
Standard gigabit switch is connected to BSU RJ45 eth1 port
Gigabit PoE injector provided with the unit is used to supply 48 VDCto the unit
© 2014 Proxim Wireless. All rights reserved. 26© 2014 Proxim Wireless. All rights reserved. 26
Deployment with Last Miles Gear CTM
When using Last miles Gear CTM, the following setup is needed:
Last Miles Gear CTM “to radio” ethernet port is connected to BSU RJ45 eth1 port
To ensure proper operation,RJ45 to RJ45 dongle is required PN# 949-00110
Last Miles Gear CTM directly supplies 56 VDC to the unit. No PoE injector is needed
Standard gigabit switch is connected to Last Miles Gear CTM “to switch” ethernet port
With this setup, ethernet line is limited to 100 Mbps operation
© 2014 Proxim Wireless. All rights reserved. 27© 2014 Proxim Wireless. All rights reserved. 27
Deployment with Last Miles Gear CTM
When using Last miles Gear CTM, the following setup is needed
Last Miles Gear CTM “to radio” ethernet port is connected to BSU RJ45 eth1 port
To ensure proper operation,RJ45 to RJ45 dongle is required PN# 949-00110
Last Miles Gear CTM directly supplies 56 VDC to the unit. No PoE injector is needed
Standard gigabit switch is connected to BSU RJ45 eth2 port
ORiNOCO Gigabit PoE injector PN# 4401is used to remove 48 VDC from the unit,to protect the switch.It is not plugged to wall socket
With this setup, ethernet line operates at gigabit speed
© 2014 Proxim Wireless. All rights reserved. 28© 2014 Proxim Wireless. All rights reserved. 28
Live Deployments
Some customers are using WORP Sync for several weeks
1 miles PtMP configuration, collocated with 5 GHz Cambium PMP
2 subscribers per sector
LastMileGear CTMexpress8 timing source
20 MHz, 65 Mbps, 75% DL ratio
Up to 10 miles PtMP configuration, collocated with 3.65 GHz Cambium PMP
17 and 29 subscribers per sector
LastMileGear CTMexpress8 timing source
20 MHz, 26 to 130 Mbps, 50% DL ratio
3.5 miles NearLOS PtP configuration, collocated with 5 GHz Cambium PMP
LastMileGear CTM2 timing source
20 MHz, 78 Mbps, 70% DL ratio
6 miles PtP configuration, greenfield installation
LastMileGear CTMexpress8 timing source
20 MHz, 78 Mbps, 50% DL ratio
© 2014 Proxim Wireless. All rights reserved. 29© 2014 Proxim Wireless. All rights reserved. 29
Downloading WORP Sync
WORP Sync is available for download from Proxim support site:
https://my.proxim.com/
Tsunami MP-820 Base Stationand QB-825 Quickbridgefirmware will be available in Q4-2014
© 2014 Proxim Wireless. All rights reserved. 30© 2014 Proxim Wireless. All rights reserved. 30
Ordering Information
CPN SKU Tsunami® MP 82x0/82x
901-00167 MP-8200-BSU-G-USTsunami® MP-8200 Base Station Unit, 300 Mbps, MIMO 3x3, GPS Sync ready, Type-N Connectors - US PoE
901-00168 MP-8200-BSU-G-WDTsunami® MP-8200 Base Station Unit, 300 Mbps, MIMO 3x3, GPS Sync ready, Type-N Connectors - WD PoE
901-00169 MP-8200-BSU-G-EUTsunami® MP-8200 Base Station Unit, 300 Mbps, MIMO 3x3, GPS Sync ready, Type-N Connectors - EU PoE
901-00181 MP-8250-BS9-G-EUTsunami® MP-8250-G Base Station Unit, 300 Mbps, MIMO 2x2, GPS Sync ready, 16 dBi, 90° sector antenna - EU PoE
901-00182 MP-8250-BS9-G-USTsunami® MP-8250-G Base Station Unit, 300 Mbps, MIMO 2x2, GPS Sync ready, 16 dBi, 90° sector antenna - US PoE
901-00183 MP-8250-BS9-G-WDTsunami® MP-8250-G Base Station Unit, 300 Mbps, MIMO 2x2, GPS Sync ready, 16 dBi, 90° sector antenna - WD PoE
901-00191 MP-8250-BS1-G-USTsunami® MP-8250 Base Station Unit, 300 Mbps, MIMO 2x2, GPS Sync ready, 23 dBi, 10° panel antenna - US PoE
901-00190 MP-8250-BS1-G-WDTsunami® MP-8250 Base Station Unit, 300 Mbps, MIMO 2x2, GPS Sync ready, 23 dBi, 10° panel antenna - WD PoE
901-00133 MP-820-BSU-100-WD Tsunami® MP 820 Base Station Unit, 100 Mbps, MIMO 2x2, Type-N Connectors – WD PoE901-00135 MP-820-BSU-100-US Tsunami® MP 820 Base Station Unit, 100 Mbps, MIMO 2x2, Type-N Connectors – US PoE901-00162 MP-820-BSU-100-EU Tsunami® MP 820 Base Station Unit, 100 Mbps, MIMO 2x2, Type-N Connectors – EU PoE
901-00184 MP-825-BS3-100-WDTsunami® MP-825 Base Station Unit, 100 Mbps, MIMO 2x2, 15 dBi integrated antenna –WD PoE
901-00186 MP-825-BS3-100-EUTsunami® MP-825 Base Station Unit, 100 Mbps, MIMO 2x2, 15 dBi integrated antenna –EU PoE
997-00014MP-82x0-G/820-WORP Sync-UPG
Tsunami® MP-82x0-G and MP-820 Base Station Unit, WORP Sync license upgradeWORP Sync license is not required for Base station built prior to January 2015
© 2014 Proxim Wireless. All rights reserved. 31© 2014 Proxim Wireless. All rights reserved. 31
Ordering Information
CPN SKU Tsunami® QB82x0/825
902-00753 QB-8200-LNK-G-USTsunami® QB-8200 Link, 300 Mbps, MIMO 3x3, GPS Sync ready, Type-N Connectors –(two QB-8200-EPA-G-US)
902-00754 QB-8200-LNK-G-WDTsunami® QB-8200 Link, 300 Mbps, MIMO 3x3, GPS Sync ready, Type-N Connectors –(two QB-8200-EPA-G-WD)
902-00757 QB-8200-LNK-G-EUTsunami® QB-8200 Link, 300 Mbps, MIMO 3x3, GPS Sync ready, Type-N Connectors –(two QB-8200-EPA-G-EU)
902-00755 QB-8250-LNK-G-USTsunami® QB-8250 Link, 300 Mbps, MIMO 2x2, GPS Sync ready, 23 dBi panel antenna (Two QB-8250-EPR-US)
902-00756 QB-8250-LNK-G-WDTsunami® QB-8250 Link, 300 Mbps, MIMO 2x2, GPS Sync ready, 23 dBi panel antenna (Two QB-8250-EPR-WD)
902-00758 QB-8250-LNK-G-EUTsunami® QB-8250 Link, 300 Mbps, MIMO 2x2, GPS Sync ready, 23 dBi panel antenna(Two QB-8250-EPR-EU)
902-00637 QB-825-LNK-50⁺-WDTsunami® QB 825 Link , 50 Mbps (upgradable to 100 Mbps), MIMO 2x2, 15 dBi integrated antenna – WD PoE
902-00638 QB-825-LNK-50⁺-USTsunami® QB 825 Link , 50 Mbps (upgradable to 100 Mbps), MIMO 2x2, 15 dBi integrated antenna – US PoE
902-00665 QB-825-LNK-50⁺-EUTsunami® QB 825 Link , 50 Mbps (upgradable to 100 Mbps), MIMO 2x2, 15 dBi integrated antenna – EU PoE
997-00011 QB-825-50-100-UPG Tsunami® QB-825 Link 50 to 100 Mbps license upgrade
997-00015QB-82x0-G/825-WORP Sync-UPG
Tsunami® QB-82x0-G and QB-825 Link, WORP Sync license upgradeWORP Sync license is not required for quickbridge built prior to January 2015
CPN SKU ACCESSORIES - Tsunami® 8200/820 Series949-00092 GPS-SYNC-UNIT Accessories, GPS Unit for 8200/820 Series, 12 VDC, RJ45 connector plus RJ45 to RJ11 adaptor949-00110 ETH-SYNC-RJ45 RJ45 dongle for 8200/820 Series when used with Ethernet Synchronization Module – 25 pack
949-00111 GPS-SYNC-RJ45-RJ11RJ45 to RJ11 dongle for 8200/820 Series when used with off the shelf Garmin GPS 16xHVS –25 pack
949-00112 ETH-CAP-M20CABLE FEED THRU, M20 Cable Gland Connector (Compliant with UL-60950-22), for 8200/820 Series– 25 pack
© 2014 Proxim Wireless. All rights reserved. 32© 2014 Proxim Wireless. All rights reserved. 32
Jerome Alexandre
Director of Product Marketing,
jalexandre@proxim.com
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