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The product listed on this page is retired and no longer being manufactured. It is important to note that this does not mean End-of-Life. smartBridges will continue to provide technical support for this product. |
Product Overview | Features & Benefits | Application Scenarios | Feature Highlights | Tech Specs | Download Brochure | Customer Comments
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Product Overview
The airClient? Nexus TOTAL 551 is a cost-effective Customer Premise Equipment (CPE) for carriers and service providers to establish end-to-end high performance wireless connectivity. Combined with the innovative integrated antenna, the airClient Nexus TOTAL 551 uses the license free ISM bands in 5.250-5.350, 5.470-5.725 and 5.725-5.875 GHz frequencies.
Built on the field proven and award winning Nexus platform, the airClient Nexus TOTAL 551 provides up to 3 Mbps of data throughput and a range of up to 3.7 miles (6 km). It is rated for outdoor use in the CE and FCC domains.
The Mac-based Bandwidth Control capability makes the airClient Nexus TOTAL 551 the intelligent choice for residential customers.
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Summary of airClient Nexus TOTAL 551 features and benefits
| Features |
Benefits |
| COFDM Radio |
Near Line of Sight operation and resistance to multi-path delays |
| CPE with integrated antenna |
Lower overall cost and ease of installation |
| Bandwidth Control at CPE |
Controls upstream/downstream bandwidth for each user according to Service Level Agreement (SLA) |
| Data Security (TKIP/RC4 and WEP 64/128) |
High data security |
| Comprehensive Network Features |
Built-in NAT and Routing function to isolate service provider’s network from customer’s network |
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Application Scenario

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Feature Highlights
- All-in-one radio with integrated antenna provides an out-of-the-box solution for quick and easy installation
- 16 non-overlapping channels* with powerful RF interference mitigation and immunity in the License Exempt bands
- NAT and Router functions to isolate customer's internal network from the service provider’s
- Bandwidth control for upstream and downstream rates
- Low cost solution for residential subscribers
- Unified Web and SNMP MIB-II compliant remote management interface
- Purpose built for harsh outdoor environments, encased in heavy-duty UV stable plastic housing, this fully weatherized outdoor unit operates from -22° F to +122° F (-30°C to +50°C)
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Open Industry Standards for Investment Protection
The airClient Nexus TOTAL 551 uses the license free UNII bands in 5.250-5.350, 5.470-5.725 and 5.725-5.875 GHz frequencies to give 20 non-overlapping channels*. Use of the IEEE 802.11a industry standard allows interoperability with third party access points.
With an integrated 5.x GHz antenna, this CPE is ideal for situations where a low cost basic model is required.
Networking Features for Residential deployments
The airClient Nexus TOTAL 551 includes Network Address Translation (NAT) and Router capabilities for isolating the ISP's network. The Bandwidth Control feature allows service providers to make the best use of their available bandwidth, and thereby maximize revenue, by providing differing services to each of their customers according to the Service Level Agreement (SLA).
Utilizing the popular network management standards (SNMPv2c), the airClient Nexus TOTAL 551 can be remotely configured by the user friendly web management interface. The web interface allows for the remote management and configuration of wireless-centric network device parameters such as channel selection, network association, data rate, site survey, etc.
Quick and Easy Deployment
Field installation is time consuming and expensive. Therefore, the airClient Nexus TOTAL 551 is designed for rapid out-of-the-box installation. The integrated antenna, pre-installed mounting brackets, and simple-to-use software, allow the network to be set up rapidly and cost-effectively.

airClient Nexus TOTAL 551 [sB3414] Technical Specifications
| RADIO PARAMETERS |
| Availability |
Now |
| Radio Frequency Bands |
License Exempt UNII bands: 5.250-5.350, 5.470-5.725, 5.725-5.875 GHz |
| Wireless Modulation |
COFDM (64 QAM, 16 QAM, QPSK, BPSK) Self-adapting modulation to maintain optimal link performance under different environmental conditions |
| Data Rates |
Self-adapting. 54, 48, 36, 24, 18, 12, 9 and 6 Mbps Depending on the wireless link quality |
| Typical Transmit Output Power (EIRP) with internal antenna (dBm) |
+33 to +13 @ 6 Mbps, +28 to +13 @ 54 Mbps |
Typical Receive sensitivity with internal antenna (dBm) |
-106 @ 6 Mbps, -85 @ 54 Mbps Self-adapting, depending on the radio modulation |
| RF Interference Mitigation |
TPC/DFS (IEEE 802.11h), Tight Spectral Mask |
| RF Channels |
20 non-overlapping channels*, 20 MHz channel width. |
| Wireless System Gain |
Varies with radio modulation |
| Wireless Error Correction |
FEC, ARQ |
| OPERATIONAL PARAMETERS |
| Standards Compliance |
IEEE 802.11a and 802.11d |
| Recommended Max Link Distance |
FCC 5.8 GHz: 3.7 miles (6 km) using 17dBi Sector AP Antenna and integrated 17dBi CPE Antenna 2.5 miles (4 km) using 12dBi integrated Sector AP Antenna and integrated 17dBi CPE Antenna
ETSI 5.470 - 5.725 GHz [EIRP 30dBm]: 2.5 miles (4 km) using 17dBi Sector AP Antenna and integrated 17dBi CPE Antenna 1.3 miles (2 km) using 12dBi integrated Sector AP Antenna and integrated 17dBi CPE Antenna |
| Operating Modes |
Router or NAT |
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Typical Useful Throughput |
| Distance |
@1 mile (2 km) |
@3 miles (5 km) |
| UDP Traffic |
3 Mbps |
3 Mbps |
| TCP Traffic |
3 Mbps |
3 Mbps | |
| Bandwidth Management (SLA) |
MAC based bandwidth control for upstream and downstream rates on wireless interface |
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NETWORK MANAGEMENT AND SECURITY |
| Data Security |
TKIP/RC4 and WEP 64/128 |
| Layer 3 Routing |
RIPv2 |
| High Availability System |
Self-monitoring and auto-recovery. WatchGuard with Hardened Linux OS. |
| Network Support |
DHCP Client, Relay and Client |
| Antenna Alignment Tools |
RSSI graph |
| Management Utilities |
Link test, remote wireless firmware upgrade, Link Budget calculator, Device Discovery tool^, Radio and Ethernet Traffic Statistics, Configurable Syslog reports and SNMP traps |
| Management Interface |
Web and SNMP based management, SNMP v2c (MIB II compliant) |
| Network Management System (NMS) |
Easy integration with 3rd party NMS. Application note and scripts available for MRTG. |
| PHYSICAL, ENVIRONMENTAL AND COMPLIANCE PARAMETERS |
| Network Connection |
IEEE 802.3 compliant 10/100 BaseT with Auto MDI/MDX |
| Integrated Antenna |
17 dBi gain, narrow beam width 18º/18º (V/H) Radio can be rotated 90 degrees to achieve Horizontal Polarization. |
| PoEI Adaptor (Included) [sB2842] |
Built-in lightning surge protection. Remote radio hardware reset capability. Input: 100V to 250V AC, 47-63 Hz; Output: 48V DC, 0.4A, 18 Watts |
| Power Consumption |
48V, 200mA (9.6W), with Power over Ethernet (PoE) Injector |
| LED Indicators |
Ultra bright LEDs for outdoor viewing of RF and Ethernet activity |
| Motherboard |
Purpose built for harsh environments |
| Radio Operating Environment |
-22ºF to +122ºF (-30ºC to +50ºC) 5% to 95% non-condensing humidity; outdoor rated |
| Enclosure |
Outdoor rated UV stabilized plastic |
| Mounting Accessory (Included) |
Complete swivel mounting kit for installation on wall or pole |
| Dimensions and Weight |
Shipping: 12" x 12" x 6" (305 x 305 x 152 mm), approx. 7.28 lb (3.3 kg) Unit (without mounting accessory): 11.1" x 11.2" x 2.4" (280 x 285 x 60 mm), approx. 4.45 lb (2.1 kg) |
| Certifications |
USA: FCC 47 CFR Part 15C, Section 15.247, 15.407 - FCC ID: PWG NEXUS2 Europe: ETSI 301 893, CE! Marked, WEEE compliance Canada: RSS 139 |
* All channels may not be available in your regulatory domain ^ Upcoming software upgrade
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Last updated on Tuesday, September 23, 2008
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