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Senin, 14 Mei 2012

wajanbolic

BACKGROUND

    
To increase the distance range of wireless LAN is required an external antenna with higher gain than standard antennas
    
High Gain external antenna is relatively expensive price
    
Many of these items are often encountered in daily life that can be used to make the High Gain antenna in a convenient and low cost

    
PURPOSE
    
Sharing knowledge / experience in terms of making homebrew antenna Antenna Wajanbolic and particularly issues of Wireless Network

    
SCOPE

    
The workshop will be made Wajanbolic Antenna with N Connector and Pigtail

    
FLASH WIRELESS / WiFi

    
WiFi (Wireless Fidelity) is a generic term for Wireless LAN or WLAN equipment. Regular use of IEEE 802.11 family of standards. Therefore supported by many vendors.

    
STANDARD PROTOCOL

    
Wireless equipment commonly used is the IEEE standard 802.11x, where x is a sub of:

    
IEEE 802.11a 2X 802.11IEEE 802.11aIEEE

    
IEEE 802.11b

    
IEEE 802.11b +

    
IEEE 802.11g
   

    
2.4GHz5GHz5GHz

    
2.4GHz

    
2.4GHz

    
2.4GHz
   

    
Mbps54 Mbps108 2 Mbps

    
11 Mbps

    
22 Mbps

    
54 Mbps

    
LEGAL BASIS

    
2 Minister's decision of 2005 on the use of the frequency band 2400-2483.5MHz signed on 5 January 2005 aleh Minister of Transportation M. Hatta Rajasa.

    
Some of the things that are important from the Ministry Decision 2 of 2005 is that you do not need a radio station license from the government to run the internet on the 2.4GHz frequency, but limited to:

    
A. There is a maximum transmitter power of 100mW (20dBm).

    
2. Effective Isotropic Radiated Power / EIRP is 36dBm at the antenna

    
3. All equipment used must be approved / certified by POSTEL

    
ANTENNA Wajanbolic

    
Why is Wajanbolic?
    
Pans: pans, kitchen equipment for cooking
    
Bolic: parabolic
    
Wajanbolic: parabolic antenna which is made from the pan
Because it comes from the pan then perfection is not worth dg actual parabolic antenna. The workshop will be made Wajanbolic Antenna with N Connector and Pigtail with consideration.
Some of the antenna lack Wajanbolic:Because of the influence of wind solid dish large enough to require mounting to the tower that is strong enough
2.4 GHz Antenna
Some Examples 2.4 GHz Antenna Design
Most homebrew wifi antennas that are on the internet: yagi antenna, antenna cans (tincan antenna), biquad antenna, helix antenna, slotted waveguide antenna. Component which is always there within-antenna design antenna TSB: N-type Connector and pigtail
Connector: N-type Male, Female N-type, RP TNC Male, TNC Female RP, Pigtail
Ok ..! we go directly to the manufacture Wajanbolic
Preparation
Equipment and supplies needed at the ready:
MATERIALS

    
Wok diameter 36 "(the bigger the better diametr)
    
Diameter PVC thin plastic gutter 3 "1 meter
    
Doff 3 "(closed PVC plastic gutter) 2 pieces
    
Aluminum foil
    
Bolt + nut size 12 or 14
    
Connector N female
    
copper wire no.3
    
Double tape + tape
EQUIPMENT

    
Ruler
    
Blade / Cutter
    
His + tin solder
    
Hacksaw

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