Επεξεργασία Cables and Connectors for Wireless and Ethernet

[[Εικόνα:Greek.jpg]][[Κατηγορίες Κατάλληλων Καλωδίων (για το ethernet και το wireless) και βυσμάτων]]
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== Cables for Wireless Devices ==
The cables used for wireless devices - networks are high quality coaxial  cables which vary in diameter, and loss in different frequencies. When using low quality coaxial cables 1-2m is the maximum acceptable length. On the other hand when using high quality cables you could have 30+m.

=== Coaxial Cables ===

==== Coaxial Cables Diameter ====
There are 3 main categories: The thinnest ones like LMR100, Medium ones like RG58, RG223 and LMR200 and the Big ones like H1000, RG213, LMR400 and Aircom Plus.

[[Εικόνα:Coaxial cables.jpg]]

====Coaxial Cables Losses====
If we put them in descending order from the best to the worst:

Medium Cables: LMR200 > RG223 > > RG58

Big Cables:AIRCOM PLUS > LMR400 > H1000 > RG213

LMR200 has almost the same losses with RG213 of the next diameter category.

=== Connectors for Coaxial Cables===

==== Connectors Types (how it is attached to the cable)====

There are 2 categories: The clamp and crimp ones. You need a special tool (crimper) to attach the last ones to the coaxial cable. The first ones on the other hand can be attached using regular tools. The crimped ones are the ones to prefer as they are attached easier and faster.

[[Εικόνα:Crimps.jpg]]

====Connectors Type ====

=====UFL (The most widely used connector in minipci wifi cards) =====

[[Εικόνα:Ufl.jpg]]

=====MMCX (A little bigger than the UFL - also common in  minipci wifi cards)=====


[[Εικόνα:Connector_mmcx.jpg]]

=====RP-SMA (The small connector in most pci wifi cards)=====

[[Εικόνα:Rp-sma lmr 100 crimp.jpg]]
[[Εικόνα:Rp-sma male lmr 200 crimp.jpg]]

=====RP-TNC (Common in linksys (and possibly Cisco) devices)=====

=====Ν-ΤYPE (The most common connector for the out-door equipment - antennas cables etc.)=====

[[Εικόνα:N-type lmr 400 crimped.jpg]]
[[Εικόνα:N-type lmr 400 clamp.jpg]]
[[Εικόνα:N-type lmr 200 crimp.jpg]]

====Male-Female ====
For all the above types there are the corresponding male and female connectors. The way to tell the male from the female is that male connectors are composed of 2 pieces whereas the female are in one piece.

[[Εικόνα:Male_female.png]]

===Pigtails===
The pigtails are short in length cables  with different types of connectors on their sides. They are generally used to connect wifi cards (which are usually equipped with really small conectors like ufl,mmcx,rp-sma) to big connectors (N connectors) used in out-door wifi devices (antennas and cables).

[[Εικόνα:Pigtail.jpg ]]
[[Εικόνα:Pigtail rpsma.jpg]]
[[Εικόνα:Mmcx_to_Νfemale.JPG]]

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