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Symbol AP 4121 Access Point

Symbol AP 4121 Access Point

Remember your Symbol AP 4121 - wireless connections allow for amazing flexibility in data collection.

AP 4121Access Point

Mobilize Your Workplace with Standards-Based High-Performance Wireless Networking

Symbol Technologies' Spectrum24®AP 4121Access Points strategically placed throughout the enterprise are the wireless connectivity point to an Ethernet network, or the hub of a standalone wireless network.

Operating in the 2.4 GHz band at speeds up to a fast 11 Mbps, Spectrum24 wireless connectivity mobilizes today's fast-paced workforce with instant, untethered secure access to vital network resources including corporate intranets, the Internet, information databases, e-mail and other productivity and service applications. And it eliminates the expense and time of wiring when IS requirements call for temporary, ad hoc, small office and kiosk networking.

Scalable Connectivity for Laptops, PDAs, Desktop and Mobile Clients

The Spectrum24AP 4121Access Point supports up to 127 clients with Wi-Fi-certified 802.11b client cards, including Symbol's PC and CompactFlash-format Wireless Networker cards for laptops and PDAs, and Spectrum24 Universal Serial Bus for desktop and other USB-enabled equipment. Mobile voice and data devices with embedded wireless connectivity cards also communicate with the Spectrum24AP 4121Access Point. Adding more access points scales your Spectrum24 wireless LAN to support additional users.

Multi-Option Security Protects Data Clients

TheAP 4121Access Point features multi-mode security options to meet data protection requirements: industry-standard 40 and 128 bit WEP encryption; Symbol's Kerberos V5 based mobile security; or a combination of these choices.

Dynamic Rate Scaling, High-Speed Roaming for Maximum Range and Throughput Clients

The Spectrum24AP 4121Access Point dynamically rate scales, transmitting data at 11 Mbps then automatically scaling to 5.5 Mbps, 2 Mbps, and 1 Mbps to ensure best range and throughput. As signal strength decreases the transmit rate also decreases, ensuring maximum range while maintaining data integrity. High-speed roaming additionally ensures Spectrum24 clients seek the best possible data rate for fastest throughput.

Mobile IP, International Roaming Clients

Mobile IP functionality allows theAP 4121to seamlessly roam across routers as clients physically move from one subnet to another. This ensures uninterrupted connectivity as associates move throughout your facility. Support of the IEEE 802.11d standard for international roaming enables simple, easy operation for international use—the access point automatically adjusts to local country and regulatory requirements.

Easy Administration and Network Management Clients

The Spectrum24AP 4121Access Point is administered using SNMP and a number of bundled management tools for quick install, maintenance, and upgrade. In addition, you can manage your entire WLAN installation using Symbol's suite of wireless management tools, including software for monitoring and controlling network activity and performance.

Cost-Effective, Easy-to-Deploy Power for Wireless Access Points

The Power-over-Ethernet Hub from Symbol Technologies delivers operating power and data toAP 4121Access Points via standard Category 5 Ethernet cable, eliminating the need for 110/220 volt AC cable and power converters at each access point location. This significantly reduces cabling and outlet requirements. A single-port power connector is also available for small site deployments.

Selection of Antennas

Symbol's selection of high-performance omni-directional (360°) and directional (20° to 90°) antennas provide different coverage patterns to meet site, application and power requirements.

End-to-End Wireless Mobility

The Spectrum24 family is the industry's leading, comprehensive end-to-end wireless LAN solution. Only Symbol combines access points, client connectivity cards, ruggedized mobile voice and data devices and network management software as well as wireless mobility planning and deployment services for high-performance mobility solutions. This unique combination of benefits enables your organization's end-to-end wireless mobile computing strategy and optimizes the capture, computing and communication of data crucial to business decision-making and success.

Features                                             Benefits

11 Mbps direct sequence (DS) high data rate transmission

Supports bandwidth-demanding applications and high-speed data transmission

IEEE 802.11b compliant; Wi-Fi certified

Ensures interoperability among other Wi-Fi certified wireless systems for investment protection and system architecture flexibility

High-Speed Roaming

Clients seek Access Point with best signal and lowest data traffic for fastest throughput

Automatic Data Rate of 11, 5.5, 2 and 1 Mbps

Optimized throughput, range and connectivity

Multi-mode security: industry-standard WEP 40 and 128 bit encryption; Symbol's Kerberos V5 based mobile security; or combination

Security options to meet data and network protection requirements

Kerberos V5 Open Security Standard based on the Network Authentication Protocol developed by MIT

Supports an enhanced level of security for mobile environments; easy to implement; operating system and application independent

IEEE 802.11d International Roaming

Simple, easy operation for international use—simply select the country of operation and theAP 4121Access Point automatically adjusts to local country and regulatory requirements

Point-to-Point Wireless Bridging

Seamless bridging between separate Ethernet networks which enables connectivity without cables

Automatic Transmit Power Control

Control of transmitted power to minimize interference in smaller cells

Mobile IP

Enables multiple users to roam across routers/subnets and between cells for uninterrupted connectivity

System-wide upgrades from a single access point, via Flash memory accessible by HTTP, serial, Telnet

Fast and easy access point maintenance and upgrades

Event logging, data packet tracing, SNMP alarm generation, operating statistics, protocol and bandwidth filters for optimum network management

Diagnostic capabilities for simplified, optimal network management

Output up to 100 mW worldwide; range up to 1,500 ft./450 m outdoors and up to295 ft./90 m indoors

Extended high-speed communications and range indoors and out

Support for up to 127 clients on a single access point; scalable

Single access point provides support for multiple mobile clients and device types; adding an access point expands coverage and capacity

Auto Channel Select

Ease of deployment and reliability: access point automatically selects the best available channel for RF communications


4121 Access Point Specifications Highlights

Radio Characteristics

Frequency Range: 

Worldwide product covering 2.4 to 2.5 GHz, programmable for different country regulations

Data Rate: 

11 Mbps per channel maximum

Maximum Output Power: 

100 mW worldwide

Power Management:

Continuous Aware Mode and Power Saving Polling Mode


Data throughput scaled to support up to 1500 ft./450 m outdoors and up to 295 ft./90 m indoors

TX Maximum Radiated EIRP:

FCC regulations part 15.247 in U.S.; ETS 300 328 in Europe; RCR STD-33 in Japan


Direct Sequence Spread Spectrum (DSSS) with BPSK (1 Mbps), QPSK (2 Mbps), and CCK (5.5 and 11 Mbps)

TX Out-of-Band Emissions:

FCC regulations part 15.247, 15.205, 15.209 in U.S.; ETS 300 328 in Europe; RCR STD-33 in Japan

Operating Temperature:

-4° to 158° F/-20° to 70° C

Storage Temperature:

-22° to 176° F/-30° to 80° C

Client Support:

Up to 127 clients

Network Characteristics

Driver Software Support:  

Microsoft Windows 95/98, Windows NT 4.0, Windows CE 2.11 (only for Symbol's PPT2740), Windows 2000, Windows ME; NDIS 4 AND 5

Access Protocol:  



Virtually instantaneous

Extended Details
Refine Your Options
  1. AP-4121-1150US - Symbol AP 4121 Access Point

    AP 4121, Enterprise Access Point, 11 MB, Antenna Required
  2. AP-4121-1000US - Symbol AP 4121 Access Point

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  4. AP4131-OMNI-KIT - Symbol AP 4131 Access Point

    AP 4131, Access point kit for use with 802.11b products. Includes 1 omnidirectional antenna with 4 ft. cable power over Ethernet hub power supply, mounting brackets, mounting shims & null modem cable.
  5. AP4131-2DIPOLE-KIT - Symbol AP 4131 Access Point

    AP 4131, Access point kit for use with 802.11b products. Includes 2 Dipole antennas, power over Ethernet hub power supply, mounting brackets, mounting shims & null modem cable.

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