Dbi Yagi Antenna
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PW0-104 Study Guide
PW0-104 Exam
Wireless LAN Administration Exam
Exam Number/Code : PW0-104
Exam Name : Wireless LAN Administration Exam
Questions and Answers : 120 Q&As
Update Time: 2010-09-06
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PW0-104 study guide
1. Given: ABC Company's network administrator was just asked to install a 5 GHz OFDM bridge link between two buildings. He connected a WLAN bridge with a 50-ohm output to a 50-ohm RF coaxial cable. He connected the other end of the RF coaxial cable to a 25-ohm, 6 dBi Yagi antenna.
What is the maximum VSWR between the WLAN bridge and the Yagi antenna?
A. 1.0:1
B. 1.1:1
C. 1.2:1
D. 1.5:1
E. 2.0:1
F. 1.0:2
Answer: E
2. As an RF wave propagates through space, the wave front experiences natural expansion. What is the detrimental effect of this expansion in a WLAN system?
A. Linear Diffusion Loss
B. Signal Attenuation
C. Transmission Obfuscation
D. Fresnel Zone Thinning
E. Azimuth Inflation
Answer: B
3. What factors affect the distance that an RF signal can be effectively received?
A. Transmitting station's antenna type
B. Receiving station's radio sensitivity
C. Fresnel zone blockage
D. Power over Ethernet (PoE) usage
E. Antenna connector type
F. Distance between access points
Answer: ABC
About the Author
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Digi Yagi Directional Antenna $117.99 10 dBi 900 MHz to 915 MHz A09-Y10TM-P10I Digi Digi International Directional RP-TNC Male Television Yagi Yagi Directional Antenna www.digi.com |
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TerraWave - 824-2500MHz 8/9 dBi Yagi $60.6 TerraWave M4080090Y11206T is a dual band yagi antenna operating in the 824 - 2500 MHz frequency range. This dual band yagi achieves a gain of 8 dBi in the 824 - 960 MHz range and a 9 dBi gain in the 1710 - 2500 MHz range. Maximum power input is 50 watts. The dual band yagi is terminated with an N-style Jack (female) connector and includes a 12 inch jumper and antenna mounting hardware. |
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Wireless Extenders YX021-CEL Yagi Antenna $57.99 7.25" Length x 6" Width x 2" Depth 8 dBi - 896 MHz 824 MHz to 896 MHz F-type Female Wireless Data Network Wireless Extenders YX021-CEL YX021-CEL Yagi Antenna Yagi Yagi Antenna www.wirelessextenders.com |
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Wireless Garden Yagi Antenna - 3 dBi - 1 x RP-SMA YX055CEL $98.62 Wireless Garden Yagi Antenna - 3 dBi - 1 x RP-SMA YX055CEL |
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Wireless Garden YX026-CEL Yagi Directional Signal Antenna - 11 dBi - F-type YX026CEL $66.59 Wireless Garden YX026-CEL Yagi Directional Signal Antenna - 11 dBi - F-type YX026CEL |
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Wilson Yagi PCS Antenna $36.99 1.80 GHz to 1.99 GHz 14 dBi - 1.99 GHz 25 W 301124 50 Ohm 90 Brackets: Max OD 2 inches Length: 43 cm (with mount) Weight: 0.086 kg (with mount) Yagi PCS Antenna U-Bolt Pipe Bracket 1/4" Split-Lock Washers 1/4"-20 Nuts Used by Cingular, Sprint, T-Mobile and all other PCS carriers Yagi PCS Antenna will collect the cell tower signal and send it through the cable to an amplifier or directly to the cell phone or cellular data card. When the cell phone or cellular data card transmits, the signal is transferred to an amplifier or directly to the antenna and broadcast back to the cell tower. Horizontal N-type Female Television Vertical Wilson Wilson Electronics, Inc Yagi Yagi Antenna Yagi PCS Antenna www.wilsonelectronics.com |
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Wilson Yagi Cellular Antenna $87.29 Yagi Antenna |
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Symbol Heavyduty Outdoor HighGain Directional Yagi Antenna 14.2 dBi 1 x NType Female Yagi Directional Antenna ML2499BYGA201R $322.27 Symbol Heavyduty Outdoor HighGain Directional Yagi Antenna 14.2 dBi 1 x NType Female Yagi Directional Antenna ML2499BYGA201R. Application/usage: Television. Beamwidth: 27 Vertical28 Horizontal. Connectors: 1 x Ntype Female. Dimensions: 3.7 Height X 1.5 Width. |
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Aironet Antenna Kit Yagi - network adapter antenna $189.99 Cisco Aironet Antenna Kit Yagi - Network adapter antenna - 10 dBi - directional - for Aironet 1200 1220 1230 1231 1232 1242 1250 1252 1260 |
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Wilson 301111 Yagi Antenna $47.99 1 x N-type Female 1.31 lb - with mount 13 dBi - 939 MHz 301111 301111 Yagi Cellular Antenna 32.50" Length 50 Ohm 50 W 806 MHz to 939 MHz 90 301111 Yagi Cellular Antenna 2 x U-Bolts 2 x Pipe Brackets 4 x 1/4" Split-Lock Washers 4 x 1/4"-20 Nuts Mounts on pipe with 0.5 inch to 1.5 inch diameter Number of Elements: 8 Material: Aluminum Wilson's 13 dB 800 MHz Yagi Antenna will collect the cell tower signal and send it through the cable to an amplifi er or directly to the cell phone or cellular data card. When the cell phone or cellular data card transmits, the signal is transferred to an amplifi er or directly to the antenna and broadcast back to the cell tower. Cellular Network Directional Horizontal Vertical Wilson Wilson Electronics, Inc Yagi Yagi Antenna www.wilsonelectronics.com |
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Wireless Extenders Directional Yagi Signal Antenna $94.99 1 Year 15 dBi 63" Length x 7.50" Width x 1.50" Depth 75 Ohm 824 MHz to 896 MHz Directional Directional Yagi Signal Antenna F-type Female Television Wireless Extenders YX055-CEL Yagi Yagi Directional Antenna www.wirelessextenders.com |
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CISCO AIR-ANT2410Y-R Aironet 10-dBi Yagi Antenna $188.99 Type: Antenna Specifications: Antenna type : Yagi Operating frequency range : 2400 - 2485 MHz VSWR : < 1.5:1 (VSWR) Gain : 10 dBi Polarization : Vertical or horizontal, linear Cable length and type : 3 ft. (0.91 m) low loss RG-58 Connector type : RP-TNC |
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CISCO AIR-ANT1949 Aironet 13.5-dBi Yagi Mast Mount Antenna $239.99 Type: Antenna Specifications: Antenna type : Yagi Operating frequency range : 2400 - 2484 MHz 1.5:1 VSWR bandwidth : 2400 - 2485 MHz Environment : Outdoor/indoor Gain : 13.5 dBi Polarization : Vertical |
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301111 - Wilson 301111 Yagi Cellular Antenna - Directional - Yagi - 13 Dbi - 1 X N-Type $55.25 wilson's 13 dB 800 Mhz Yagi Antenna Will Collect The Cell Tower Signal And Send it Through The Cable to an Amplifi er or Directly to The Cell Phone or Cellular Data Card. When The Cell Phone or Cellular Data Card Transmits, The Signal is Transferred to an Amplifi er or Directly to The Antenna And Broadcast Back to The Cell Tower. [301111] UPC: 813986001912 UNSPC: 43221706 2.15 LB |
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Cisco - Air-Ant1949 - Cisco Aironet Yagi Antenna $281.65 High Gain Outdoor Directional Antenna With Rp-tnc-this Wlan Antenna Is A Completely Enclosed 16 Element Yagi. It Is Designed To Be Used As A Bridge Antenna Between Two Networks Or For Point-to-point Communications. It Has A Nominal Vswr Of 1.5:1 And Is Less Than 2:1 Over The Entire Frequency Band. The Gain Is 13.5 Dbi And The Half-power Beamwidth Is 30 Degrees. This Antenna Is Normally Mounted On A Mast And Is Vertically Polarized. [AIRANT1949] UPC: 746320380483 UNSPC: 43221706 19.25L x 5.75W x 3.5H 1.66 LB |
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WIRELESS EXTENDERS YX055 OUTDOOR CELLULAR PHONE YAGI ANTENNA $95.86 WIRELESS EXTENDERS YX055 OUTDOOR CELLULAR PHONE YAGI ANTENNA DIRECTIONAL UPGRADE TO THE WEXYX500CEL OUTDOOR ANTENNA; PROVIDES ADDITIONAL COVERAGE BY BOOSTING THE OUTSIDE SIGNAL STRENGTH IN THE DIRECTION IT IS POINTED; PROVIDES 15 DBI OF GAIN TO STRENGTHEN THE SIGNAL ; FOR OPTIMUM PLACEMENT & SIGNAL ENHANCEMENT, USE THE YX699 DURING SET UP |
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Wi-Ex Directional Outdoor Yagi Antenna $79.99 This antenna is compatible with most YX500-CEL series signal boost products for wide-ranging use and provides 15 dBi gain for high-quality performance. |
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Antenne Yagi sur mât double $99.99 TerraWave Solutions® 806-2500 MHz 8/9.5 dBi Yagi Antenna with N-Style Jack Connector TerraWave’s 800-2500 MHz Yagi antenna is designed for outdoor wireless networks operating in either the Cellular band or 2.4GHz frequency range. Featuring the dual band coverage, this antenna is ideal for any 800/900/1800/1900 MHz and 2.4GHz outdoor voice and data wireless system. Includes an N-style Jack connector and a mast mount, cables et adaptateurs vendues séparément. M4080095Y11206 |
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Browning Br6320 2.4 Ghz 2.5 Ghz Enclosed Cellular Yagi Antenna $42.48 2.4 Ghz 2.5 Ghz Enclosed Yagi Antenna; 15 Dbi Gain; 20 Db Front/Back Ratio; 3Ft Rg58 Cable With Female Connector; 3 X 18 Enclosure; Fits Masts Up To 2.44 Dia; Covers WiFi(R) Frequencies; Includes Mounting Bracket |
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CP TECH LevelOne WAN-2218 Directional Yagi Outdoor Antenna $68.99 1.98 lb 18 dBi 2.40 GHz to 2.50 GHz 3.50" x 1.97" x 39.37" 50 Ohm WAN-2218 11g Outdoor PoE Wireless Access Point WAB-7000 11a/b/g Outdoor PoE Wireless Access Point WAN-2218 Directional Yagi Outdoor Antenna Wall & Pole Mounting Provides stable signals and extends coverage Easy to install on wall surface HPBW/V: 15° HPBW/H: 15° Level One's WAN-2218 18dBi directional antenna is designed for outdoor mid-range distance, point-to point wireless connections with WAN-2218, you can improve signal strength/quality and increase signal coverage for an existing 802.11b/g 2.4GHz wireless local network in concentrated directions. CP TECH CP Technologies LevelOne WAN-2218 Directional Yagi Outdoor Antenna Linear Vertical N-type Female Television WAN-2218 Yagi Yagi Antenna www.cptechusa.com |
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Yagi Antenna $66.91 High Quality Content by WIKIPEDIA articles A YagiUda Antenna, commonly known simply as a Yagi antenna or Yagi, is a directional antenna system consisting of an array of a dipole and additional closely coupled parasitic elements (usually a reflector and one or more directors). The dipole in the array is driven, and another element, typically 5 longer, effectively operates as a reflector. Other parasitic elements shorter than the dipole may be added in front of the dipole and are referred to as directors. This arrangement gives the antenna increased directionality compared to a single dipole. Author: Surhone, Lambert M./ Timpledon, Miriam T./ Marseken, Susan F. Binding Type: Paperback Number of Pages: 88 Publication Date: 2010/06/23 Language: English Dimensions: 5.98 x 9.01 x 0.21 inches |
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Cisco / 2.4GHZ 10 DBI YAGI W/ RP-TNC / AIR-ANT2410Y-R $219.67 Cisco - 2.4GHZ 10 DBI YAGI W/ RP-TNC - AIR-ANT2410Y-R |
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Yagi Cellular Antenna - cellular phone antenna $41.99 Wilson Electronics Yagi Cellular Antenna - Cellular phone antenna |
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Wilson Yagi Cellular Antenna - Cellular Phone Antenna. Each $47.03 Manufacturer: Wilson Electronics. Each. Directional antenna Mounting hardware included For fixed installations Device Type: Cellular phone antenna Recommended Use: Outdoor Weight: 1.3 lbs Wave Band: 806 - 915 MHz Gain Level: 13 dBi Manufacturer Warranty: |
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2.4Ghz High Gain Outdoor YAGI Antenna 11.5dB $345 2.4Ghz High Gain Outdoor YAGI Antenna 11.5dB |
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Browning / FULL WELDED YAGI ANTENNA / BR-6383 $49.4 Browning - FULL WELDED YAGI ANTENNA - BR-6383 |
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Browning / FULL WELDED YAGI ANTENNA / BR-6386 $57.94 Browning - FULL WELDED YAGI ANTENNA - BR-6386 |
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Antenna - 10 dBi - directional (Open Box Product Limited Availability No Back Orders) $78.34 OB YAGI 10DBI DIR 10IN-RPTNC MALE CONN |
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Cisco Aironet Yagi Antenna $189.99 1 Year Limited 10 dB 2.40 GHz to 2.48 GHz 230 ft 230 ft @ 11Mbps Indoor 2:1 3" Height x 7.25" Width 36" 47° Horizontal 548 ft 548 ft @ 1Mbps Indoor 55° Vertical 8 oz Cisco Aironet 2.4 GHz Access Point All range estimations are based on an external antenna associating with an integrated Intel Centrino client adapter under ideal conditions. The distances referenced here are approximations and should be used for estimation purposes only. Application: Indoor/outdoor directional antenna for use with access points or bridges This document describes the AIR-ANT2410Y-R 10-dBi Yagi antenna and provides instructions for mounting it. The antenna operates in the 2.4- to 2.48-GHz frequency range and is designed for use as an access point or bridge antenna. The antenna is an enclosed 6-element, vertically polarized directional Yagi and is designed to be mounted indoors or outdoors on a mast or flat vertical surface. AIR-ANT2410Y-R Aironet Aironet Yagi Antenna Cisco Cisco Systems, Inc RP-TNC Television Vertical Yagi Yagi Antenna www.cisco.com |
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External 1900 MHz Yagi antenna $39.99 Stay connected inside your home/office with our 1900 MHz external Yagi antenna. |
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TerraWave - 5.7-5.85Ghz 8 Dbi Omni Antenna $63.49 5.7-5.85Ghz 8 Dbi Omni Antenna |
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Cisco 2.5 DBI (2.4) 3.5 DBI (5GHz) Antenna AIRANT2451INVR $286.48 Cisco 2.5 DBI (2.4) 3.5 DBI (5GHz) Antenna AIRANT2451INVR |
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Motorola Antenna - Dipole - 4.5 dBi, 7.5 dBi - N-type ML2452HPAG5A801 $198.7 Motorola Antenna - Dipole - 4.5 dBi, 7.5 dBi - N-type ML2452HPAG5A801 |
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Aironet Antenna Kit Yagi - Antenna mount $43.99 Cisco Aironet Antenna Kit Yagi - Antenna mount - for Aironet 1200 1220 1230 1231 1232 1242 1250 1252 1260 340 |
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Aironet Antenna Kit Yagi - Network adapter antenna $244.99 Cisco Aironet Antenna Kit Yagi - Network adapter antenna - for Aironet 1200 1220 1230 1231 1232 1242 1250 1252 1260 |
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Wan-2218 - Levelone Wan-2218 Directional Yagi Outdoor Antenna - 18 Dbi - N-Type $86.49 level One's Wan-2218 18dbi Directional Antenna is Designed For Outdoor Mid-range Distance, Point-to Point Wireless Connections With Wan-2218, You Can Improve Signal Strength/quality And Increase Signal Coverage For an Existing 802.11b/g 2.4ghz Wireless Local Network in Concentrated Directions. [WAN2218] UPC: 878742005320 UNSPC: 43221706 5L x 6W x 8H 6.89 LB |