About EnGenius EnGenius EnGenius ... EnGenius Technologies, Inc. is a wholly-owned subsidiary of Senao Networks, a Taiwan RF communications manufacturing company

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  • About EnGeniusKey Specifications

    802.11 Standards Understanding 802.11n Transmit Power

    General Application Models Indoor AP Wireless Home Point to Point Long Range Outdoor AP Network Management Software


  • About EnGeniusEnGenius Technologies, Inc. is an industry expert in wirelesscommunications and radio frequency (RF) technology. The companypioneered Affordable Long-Range Wireless communication solutions,and creates wireless voice and data products for home, SOHO and SMBuse that are versatile, feature-rich, business-class and affordable. Ourcomplete line of award-winning devices is designed to deliver long-range,fast speeds, robust security, and ease-of-use. Established in 1999,EnGenius Technologies, Inc. is a wholly-owned subsidiary of SenaoNetworks, a Taiwan RF communications manufacturing company.

  • Wi-Fi Standards

    802.11b2.4GHz, 11Mbps throughput, DSSS modulation

    802.11a5GHz, 54Mbps throughput, OFDM modulation

    802.11g2.4GHz, 54Mbps throughput, OFDM modulation

    802.11n2.4GHz and 5GHz, 300Mbps throughput, MIMO and SpatialMultiplexing, 20-40MHz channels

  • Comparative Signal Rangesby Standard

  • Understanding 802.11n Amendments to the previous 802.11 standard Significant improvement to PHY layer transmission rate:

    Forward Error CorrectingChannel bonding (20/40 MHz)Shorter GI (800/400 ns)Spatial multiplexing

    Increase the MAC layer transfer rate to achieve over100 Mbps data throughput

    MCS selected based on RF channel condition based on8 data rates, bonded channels, multiple spatial streams,guard intervals, and modulation types

  • MIMO (Multiple-In/Multiple Out)

    Commonly referred to as smart antennatechnology

    Sensitivity to fading is reduced by the spatialdiversity provided by multiple spatial paths.

    Can provide better range in environmentswith multi-path issues

  • What About Range?Facts:Under the best conditions, many 802.11n routers deliver

    throughput between 100 Mbps and 120 Mbps near therouter. However, speeds degrade quickly to about 45Mbps in the 300- to 600-foot range

    The truth about the 802.11n specification is that it does notreally increase your wireless coverage area.

    - Laptopmag.com

    The same RF physics still apply, so the wireless connectionwill still drop out at the same signal levels.

  • Jeriel to change400 to 300

  • Transmit Power Tx power is the amount of power a radio transmits

    Generally, the longer the distance, the more powerneeded

    High transmit power and receive sensitivity means:

    greater coverage area with less access pointsor

    long distance point-to-point links

  • Understanding dBm

    The dBm is an absolute power measurement. m stands for milliwatt,which is the reference point.

    0dbm is 1mW of power

    1dbm is 1dB stronger than 0dBm or 1dB stronger than 1mW (1.3mW)-x dBm is power less than 1mW

    0dBm = 1mW -3dBm = 0.5mW3dBm = 2mW 10dBm = 10mW -10dBm = 0.1mW

    28dBm = 600mW (approx.) 30dBm = 1000mW or 1 wattDbm is

  • dBm to Milliwatts

  • Understanding dBi Dbi = The Db gain an antenna has as compared to a baseline

    Isotropic radiator type antenna. Its simply a reference point.

    The Isotropic radiator is a theoretical antenna where the signal istransmitted like a globe, equally in all directions.

    Does not exist in real life. The design of any real antenna willcause the signal to favor one direction (even slightly) over another

    The physical laws of the conservation of energy says if you gainpower in one direction, the other direction must be lost.

    To have antenna gain therefore means the signal pattern ischanged to be favorable in a certain direction over another. Themore disproportional it is, the more gain is realized.

  • Calculating EIRP Dbm and Dbi You can add or subtract them!

    Dbm is power while Dbi is antenna gain.

    The total power (transmitter, losses of cable, gain of antenna etc.) is calledEIRP (Equivalent Isotropically Radiated Power)

    Example: 28dbm + (-2db coax loss) + 6dbi antenna = 34dbm EIRP.

    FCC limits EIRP for Omni-directional signals to 36dbm for 2.4GHz and 5GHzWiFi

    For directional signals, for every 3db of antenna gain beyond 6dbi, transmitterpower must be reduced by 1dbm.

    26dbm +6dbi = 32dbm EIRP

  • Up to 600mW Tx Power N Mode The typical leading brand AP has a Tx power of 17dBm or 50mW

    Rule of thumb:

    EAP350 transmit power and receive sensitivity

    26 dBm @ MCS0/MCS8

    26 dBm @ MCS1/MCS9

    25 dBm @ MCS2/MCS10

    25 dBm @ MCS3/MCS11

    24 dBm @ MCS4/MCS12

    24 dBm @ MCS5/MCS13

    23 dBm @ MCS6/MCS14

    23 dBm @ MCS7/MCS15

    802.11b best -98 dBm802.11g best -93 dBm802.11n best -93 dBm

  • Quick Summary

    High Output / Transmit Power

    Delivers 802.11 Standard Speeds at LongerRange


    Enables More Devices to be Connected to theNetwork

  • HotspotAccess Points can be added to an existing network to provide wirelessconnectivity to different network resources for laptops and handhelddevices


  • Multiple AP EnvironmentRF interference can be a factor.

    FCC allows for only 3 non-overlapping channels between channels1-11 (2.412 2.473).

    Channels are 22MHz wide but only separated by 5MHz

  • Indoor High Power N Access Points

    802.11bgn High Power 26+ dBm Integrated 6dBi Antenna AP/ WDS Mode Ceiling Mount LED on/off Control 802.3af PoE Support MSSID/ VLAN, SNMP, 802.1x

    EAP350 2Tx/ 2Rx (300 Mbps) Gigabit Ethernet

    EAP300 2Tx/ 2Rx (300 Mbps) 10 / 100 Ethernet

    EAP150 1Tx / 1Rx (150 Mbps) 10 / 100 Ethernet

  • Office Environment

  • High Power N Client Bridge / Access Points802.11bgn

    High Power : 29dBm 2Tx+2Rx (300 Mbps) AP/CB/WDS Modes 2 SMA Connectors Multiple SSIDs/VLAN SNMP

    ECB350 Gigabit Ethernet Port 802.3af PoE Support

    ECB300 10/100 Ethernet Port 802.3af PoE Support

  • AP Mode SupportsMultiple SSIDs with VLANs

    Lowers equipment and installation cost.Separate networks for staff and guests using the same APs.For use with switches that support VLAN tagging.VLAN support only available in AP mode.

  • Wireless Home Networkwith Multimedia Streaming



  • Wireless-N RoutersESR300H (802.11bgn) High power : 23dBm(2 Stream) 2Tx+2Rx (300Mbps) 1 WAN & 4 LAN Fast Ethernet(10/100Mbps) 2 x 2dBi SMA Antennas Parental Control MSSID, Firewall, & QoS

    2.4/5GHz Dual Concurrent 20dBm (2 stream) 1 WAN & 4 LAN Gigabit Ethernet 2.4GHz: 2 5dBi SMA Antennas ;

    5GHz: 2 5dBi internal PIFA antennas WDS, Power Saving, MSSID, Firewall & QoS USB2.0 Support (Storage , BT download, Printer)

    ESR600H (802.11abgn) 2Tx+2Rx@2.4GHz + 2Tx+2Rx@5GHz

    ESR750H (802.11abgn) 2Tx+2Rx@2.4GHz + 3Tx+3Rx@5GHz(2.4GHz: 300Mbps, 5GHz: 450Mbps)

  • Point-to-Point Wireless Connection

    Can link up to 2 mileswith clear line of sightwith 2.4GHz models, 1mile with 5GHz model.



    ENH200, ENH202, ENH500

  • Outdoor N Wireless Bridges

    High Power 27dBm CB/AP/CR/WDS Mode IP65 Water proof design 24V PoE support 2 x 10/100 Ethernet Ports

    ENH500 802.11an (5GHz) 2Tx+2Rx : 300Mbps Integrated 14dBi Antenna with dualpolarization

    ENH202 802.11bgn (2.4GHz) 2Tx+2Rx : 300Mbps Integrated 10dBi Antenna with dualpolarization

    ENH200 802.11bgn (2.4GHz) 1Tx+1Rx : 150Mbps

  • Outdoor Access Point

    IP camera wirelessconnected to ENH200client bridges

    ENH210 EXT

    EHN200EHN210 EXT


  • Outdoor N Access Points

    ENH210EXT (802.11bgn) 2Tx+2Rx: 300Mbps Gigabit Ethernet High Power : 29dBm (2 stream) 2 N-Type connectors 2 x 5 dBi antennas AP/CB/WDS Mode IP67 Water proof design 48V PoE support (802.3af/atcompliant) MSSID (up to 8), VLAN, SNMP

    ENH200EXT (802.11bgn) 1Tx+1Rx : 150Mbps 10/100Mbps Fast Ethernet High Power 27dBm SMA Connector for 2.4GHz Antenna CB/AP/CR/WDS Mode IP65 Water proof design 24V PoE support MSSID, VLAN, SNMP EAG-2408 recommended antenna


  • EnGenius Zone ControllerAccess Point Management Software

    SNMP based

    Firmware upgrade needed for currentbusiness class N models

    Centralized monitoring and management tool

    Easy drag-n-drop configuration

  • EnGenius Zone Controller Interface

  • Zone Controller Compatibility List

    Model Firmware VersionEAP150 v1.2.1EAP300 v1.2.1EAP350 v1.1.0

    ENH200 v1.1.0ENH200EXT v1.1.0ENH202 v1.1.0ENH500 v1.1.0ENH210 v1.1.0ENH210EXT v1.1.0

  • Questions

    wlan@engeniustech.com888-735-7888 x 517www.engeniustech.com