Cisco Wireless :: AP 1240AG And External Antenna Configuration
Mar 19, 2012
I am setting and configure the Cisco AP 1240AG with 5GHz External Antenna extension. The whole product is called iWap. The problem now is that the wireless signal amplitude only can reach 3 bars instaed of ful 5 bars.
Few questions I have for this setup and configuration :
1. What is the default or original frequency of antenna of Cisco AP1240AG? Can a 5GHz antenna work with the AP 1240AG whereby it is run with 802.11a and 802.11g?
2. If 5GHz antenna can work with 802.11a or 802.11g, what is the setting or configuration needed to be done at the Cisco 1240AG? Or, no setting or configuration needed because it will automatically work by default?
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Mar 2, 2012
I connected an external 12dBi omni-directional antenna for Networks 2.4 Ghz (TL-ANT2412D) with LMR-400 cable 5M but my antenna "emits" nothing, I have no signal. With the two supplied antennas with WAP200 I signal but does not cover any desired area.
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Sep 12, 2010
an external Antenna for a 881G? We're using AT&T.
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May 10, 2012
I'm looking for a router with an external antenna connection so I can attach an outside antenna to extend my wi-fi signal signal around my farm.Right now I have Hughes net internet service running to a Belkin 750 router, which is descent around the house, but has no connection for an external intenna.
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Jan 14, 2013
Feature AIR-CAB020LL-R AIR-CAB050LL-R AIR-CAB100ULL-R AIR-CAB150ULL-R Cable Length 20 ft (6 m)50 ft (15 m)100 ft (30 m)150 ft (46 m) Transmission Loss 1.3 dB3.4 dB4.4 dB6.6 dB for Cisco 1941W router with external antennas?
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Feb 4, 2013
I'm going to install a Cisco Aironet 1310g (ap mode) with external antenna in a warehouse (contain many metal surfaces), and I need to install this antennas on ceiling (distance from floor to ceiling is about 13 metres). I need to get at least 1Mbps performance. AP clients are Motorola MC9190-G mobile computers.
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May 16, 2013
What are the new external antenna options?
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Jul 30, 2011
Is it possible to add an external antenna to this WRT160Nv3 router? Some spots are just on the one bar signal level that comes and goes.
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Jun 7, 2011
Is it possible to connect two WAP200E on bridge mode without external antennas if they are 200 mts. (219 yard) apart?
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Jun 5, 2013
I have an unusual request to support an access point with a single external antenna to cover a small physical area (elevator car!!). All Cisco's currently shipping APs have dual band antennas using MIMO for throughput in "normal" deployments. Will a deployment with a single antenna work?
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Apr 11, 2013
I am in the process of installing a new wireless network in our offices and I was wondering if I can add an extension to the cable that connects my AIR-ANT-1728 to my AIR-CAP-3502e AP to get better coverage in our offices?
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Mar 22, 2012
Travel in an RV and many campgrounds have poor WiFi setups. Looking for some type of external antenna I can put outside of trailer. I'm using a WMP600N adapter in a desktop PC running Win 7.
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Jan 23, 2013
Is it possible to use only 1 external antenna (AIR-ANT2524DB-R) with 1602E Access Point?
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Mar 19, 2013
I have a few 1142N Aironets with internal antennas in place, and I am not thrilled by its coverage. I want to extend my wireless network because of a new building which led me to the following question;Is there is any difference in wireless coverage when using external dipole antenna’s (the small ones, for example the AIR-ANT2524 for a new 2600 Aironet) versus the internal (dipole) antenna’s. I am aware you have more options when using external antenna’s, such as omni, directional, outdoor etc.
For an indoor office or warehouse deployment, where temperature is not a concern, why would I buy for example the 2600E with 4 dipole antenna’s over the 2600i?I have read most Aironet datasheets and their antenna options, but can’t find a word about the advantages of external dipole antennas. I would expect external antennas would give better coverage.. is this true?
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Mar 24, 2013
I'm planning to use these with a 2504 controller. However, I cannot find a straight answer on whether or not the External Antennas provide better coverage than the Integrated Antennas? These will be wall mounted in a combo office/warehouse environment. Also, I cannot figure out if the External Antennas are even included with the 1602E (AIR-CAP1602E-A-K9)? or what if any power adapter/ injector is included with the AP's?
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Feb 12, 2013
How to add an external antenna? I'd like to mount a DCS-930L in a location (inside a metal housing) that would need the antenna to be a few inches away. Any internal layout information?
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Aug 13, 2012
When we take a look at the internal antennas on the 1142 AP, we notice the 5ghz pointed all the same way, but for the 2.4ghz we can see each offset by 45/120 degrees. It was my understanding that all antennas are omnidirectionals on the 1142, why are those 2.4ghz antennas not all pointed the same way? onfiguration advantage and that each antenna is indeed omnicadirectional? Example, if I shut just one antenna off, do I lose a sector (120degree)?
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Mar 22, 2011
I just realized that my internet is slow when my antenna is on top of my computer. I have a pci card with an external antenna connecting to it. If it's on top of my computer, my internet is slow, but if I move it three feet in front of it, it's fast. This makes me think that my computer is somehow blocking or conflicting with the signal. Is this normal, or is there something I can fix in my computer? Download speeds with the antenna on top are around 0.54Mbps, and if I put it as far away as I can, I get around 20Mbps.
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May 22, 2012
I got a different tower to use ,and added my wireless card and external antenna to it , but need setting up the new PC tower to use the wireless card and antenna. How to set up the available connections so that I can use this in my garage too.
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Aug 5, 2011
I have a Linksys WAG 120 N wireless router with an internal arial. I want to strengthen the signal to my laptop 2 rooms away as it keeps dropping out. Is it possible to change WAGGING from internal to external antenna to increase range/performance?
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Mar 29, 2012
What are the pros and cons of 2.5 Ghz and 5Ghz spectrum ,My customer wants 1240AG and the antenna for those are either 2.5 GHz or 5GHZ and wants to know which spectrum is better for him to use
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Aug 20, 2012
Cisco 1240AG converting to WEP to WPA
Access Point Model: Cisco 1240AG
System Software Filename: c1240-k9w7-tar.123-7.JA5
System Software Version: 12.3(7)JA5
Bootloader Version: 12.3(7)JA1
Access Point Model: Cisco 1131AG
Software: Cisco Aironet Desktop Utility 2.1.02
After converting encryption from WEP to WPA in a Cisco 1240AG in personal mode with an SSID name of example1 and Cisco 1131AG access point in personal mode with an ssid of example2; both with the same wpa passphrase, I created a new profile on the Cisco Aironet Desktop Utility with a new profile name as well as a WPA passphrase, but the desktop utility will only connect to the access point if one network name, example1 or example2, is entered.
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Jan 28, 2010
I'm on my first configuration of a Cisco firewall. I'm trying ASA 5505 using Cisco ASDM 5.2 (not GUI). I configured Vlan1 (inside) and Vlan2(outside) and all seems to work correctly. Network clients can use Internet and ping internal LAN. But I've some problems with vpn and other services: 1. when I try to connect to external VPN server the connection procedure stopped in username/password validation (if I try directly, without firewall ASA, there's no problem) 2.I've problems also to see external security cam working trough a web server. I open port 1723 - 500 and GRE. What can I do more?
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Feb 24, 2013
I'm looking at creating WLANs using standalone APs for the first time. I know this can all be done with trivially a controller, but this project can't stretch to that...Can I use MAC filtering on standalone APs to restrict which clients associate?I think these will be 1240AG devices but I assume the answer is the same for all models?Can I mix MAC filtering with WEP/WPA? And use MAC filtering without encryption?
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Feb 28, 2013
I have a 1240Ag. Earlier I loaded a startup config from a backup. The AP came back up - I can SSH into it, but when I try to access the web management page it says "IE cannot load the webpage".
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Mar 18, 2013
Is it possible to configure two SSIDs with same valn (default VLAN) with same IP addressing subnet on an autonomous 1240AG access point ios ver is 12.4 21a ja1.
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Sep 28, 2012
For 2 year now we have been running aironet 1240ag access points throught our warehouse. We use a telnet session on our handheld scanners to connect to our database on the main server.This last week our scanners started getting dropped from the access points serveral times throught the day and often would continue to get dropped at 1 minute intervals for several minutes at a time. This appears to be happening on all of our access points and is affecting all of our scanners but not at the same time.Each time a clinet is dropped we get the following event log on the AP.
Sep 29 11:57:14.807 -0500 Warning Packet to client 0c77.1a3a.6ff7 reached max retries, removing the client
Sep 29 11:57:14.800 -0500 Information Interface Dot11Radio0, Deauthenticating Station 0c77.1a3a.6ff7 Reason: Previous authentication no longer valid
All the AP's are setup the same with the below config
!! Last configuration change at 14:24:18 -0500 Sat Sep 29 2012 by Cisco! NVRAM config last updated at 14:24:18 -0500 Sat Sep 29 2012 by Cisco!version 12.4no service padservice timestamps debug datetime msecservice timestamps log datetime msec localtime show-timezoneservice password-encryption!hostname AP_10!enable secret 5 $1$lcac$OO/IqOlgR2.TPP/BFg7nX1!no aaa new-modelclock timezone -0500 -5!!dot11 syslogdot11 activity-timeout unknown default 128dot11 activity-timeout client default 128dot11 activity-timeout repeater default 128dot11 activity-timeout workgroup-bridge default 128dot11 activity-timeout bridge default 128!dot11 ssid jefferson377 authentication open guest-mode infrastructure-ssid optional!power inline negotiation injector 9caf.ca01.d818power inline negotiation prestandard source!!username Cisco privilege 15
[code]....
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Apr 18, 2012
how is the IP configuration for this Fast Ethernet F0.
This is because usually we only assign IP to the BVI interface. Is it after that, the Fast Ethernet F0 automatically also be assigned the same IP?
As such, when goto the Fast Ethernet F0 by CLI, by using no shut then this will Enable the Fast Ethernet Port?
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Jul 1, 2012
I am having access point 1240AG and planning to deploy ISE as a exteral radius server. I would like to know how different authorization policy need to configure in AP/ISE. Whether I can use named ACL or VLANs (CoA) as a enforcement types without use of WLC. If yes then how?
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Apr 29, 2013
We are using an Aironet 1240AG series wireless AP here to connect handheld scanners. They work fine on WPA. However, when we switch to WPA2, they often lose connection. We have tested on 802.11g and a bands, with various encryption types (TKIP, AES, TKIP/AES). Also, how can I update the outdated firmware without signing up for a service contract?
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Apr 8, 2013
I have a question regarding cisco aironet 1240ag AP.
1st - Does this devices has a firmware ? So I can update a firmware ? or is an image file for IOS software ?
2nd - Which wireless controller I can use to handle multiple aironet 1240ag AP's ?
3rd - The controller has the ability to create temporally guest password ?
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Jun 1, 2011
I have Aironet 1240AG and the 2 laptops connected to same SSID. Unable to can ping each other but can ping/browse server on wired.
Below are my config:
Current configuration : 2646 bytes!version 12.4no service padservice timestamps debug datetime msecservice timestamps log datetime msecservice password-encryption!hostname AP2!enable secret 5 $1$7EVQ$2FN7ewjcrwKCICIfmFgCO.!no
[Code].....
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Mar 12, 2012
They are 8 APs Cisco 1240AG installed inside our warehouse, on the other hand we had some places with poor signal level -82dbm so we put two router linksys wrt54g.
The Cisco APs have 2.2dbi omnidirec antennas and they are configured with the same SSID on different channels (1,6,11) and max tx, rx (100mw).
When we check the signal level we realized that we have more signal from the linksy than the Cisco?
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