topic Re: Antenna Cable specification in Wireless https://community.cisco.com/t5/wireless/antenna-cable-specification/m-p/33153#M102135 <HTML><HEAD></HEAD><BODY><P>You'll need 50 ohm cable. More specifically, you'l need some very good quality 50 Ohm cable. At 2.4 Gig, the best 50 ohm coax (something like Belden 9913) is going to lose something like 28db db per 100 meters (~9db per 100 feet). This is just cable loss, connectors sharp bends, etc will drop the signal even more. </P><P></P><P>If you're going to run for any significant distance, you should be looking at a mini hardline transmission cable, something like Andrew LDF4-50. The 3/8" LDF4-50 only loses ~5-6 db per hundred feet and has significantly better noise figures.</P><P></P><P>The LDF4-50 1/2" hardline has ~3-4 DB loss at 100ft. </P><P></P><P>Even the 1/4" superflex (about the same size as RG/59) is roughly twice the signal as the larger 9913/RG214 size coax cables (~6db/100ft versus ~9DB /100FT).</P><P></P><P>If you order a hardline/mini-hardline, I'd suggest having it factory connectorized. The connectors are not easily mounted without the proper tools and knowledge.</P><P></P><P>Good Luck</P><P></P><P>Scott</P><P></P></BODY></HTML> Tue, 22 Oct 2002 15:02:01 GMT scottmac 2002-10-22T15:02:01Z Antenna Cable specification https://community.cisco.com/t5/wireless/antenna-cable-specification/m-p/33151#M102133 <P>I need create a cable of specific lenght to connect a Aironet Bridge 350 to a Yagi Antenna</P><P>I need to know the specification of the cable to be use !!!</P> Mon, 05 Jul 2021 06:25:03 GMT https://community.cisco.com/t5/wireless/antenna-cable-specification/m-p/33151#M102133 marcoadolfo 2021-07-05T06:25:03Z Re: Antenna Cable specification https://community.cisco.com/t5/wireless/antenna-cable-specification/m-p/33152#M102134 <HTML><HEAD></HEAD><BODY><P>this <A class="jive-link-custom" href="http://www.cisco.com/warp/public/cc/pd/witc/ao350ap/prodlit/agder_rg.htm" target="_blank">http://www.cisco.com/warp/public/cc/pd/witc/ao350ap/prodlit/agder_rg.htm</A> says "Typical length on all antennas is 36" Hope that helps.</P></BODY></HTML> Wed, 25 Sep 2002 20:37:34 GMT https://community.cisco.com/t5/wireless/antenna-cable-specification/m-p/33152#M102134 s-doyle 2002-09-25T20:37:34Z Re: Antenna Cable specification https://community.cisco.com/t5/wireless/antenna-cable-specification/m-p/33153#M102135 <HTML><HEAD></HEAD><BODY><P>You'll need 50 ohm cable. More specifically, you'l need some very good quality 50 Ohm cable. At 2.4 Gig, the best 50 ohm coax (something like Belden 9913) is going to lose something like 28db db per 100 meters (~9db per 100 feet). This is just cable loss, connectors sharp bends, etc will drop the signal even more. </P><P></P><P>If you're going to run for any significant distance, you should be looking at a mini hardline transmission cable, something like Andrew LDF4-50. The 3/8" LDF4-50 only loses ~5-6 db per hundred feet and has significantly better noise figures.</P><P></P><P>The LDF4-50 1/2" hardline has ~3-4 DB loss at 100ft. </P><P></P><P>Even the 1/4" superflex (about the same size as RG/59) is roughly twice the signal as the larger 9913/RG214 size coax cables (~6db/100ft versus ~9DB /100FT).</P><P></P><P>If you order a hardline/mini-hardline, I'd suggest having it factory connectorized. The connectors are not easily mounted without the proper tools and knowledge.</P><P></P><P>Good Luck</P><P></P><P>Scott</P><P></P></BODY></HTML> Tue, 22 Oct 2002 15:02:01 GMT https://community.cisco.com/t5/wireless/antenna-cable-specification/m-p/33153#M102135 scottmac 2002-10-22T15:02:01Z