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Cisco Systems, Inc. > 
Item#: 9SIA24G1GC0382

CISCO AIR-AP1242AG-A-K9 802.11a/b/g Access Point

  • Up to 54Mbps Wireless Data Rates
  • IEEE 802.11a/b/g
  • Ethernet Port
  • 1 x 10/100M
  • 2.412 to 2.462 GHz
  • 5.15 to 5.35, 5.725 to 5.825 GHz
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Learn more about the Cisco Systems, Inc. AIR-AP1242AG-A-K9

Model

Brand
CISCO
Model
AIR-AP1242AG-A-K9

Spec

Standards
IEEE 802.11a/b/g
Wireless Data Rates
Up to 54Mbps
Security
WPA
WPA2 (802.11i)
CISCO TKIP
CISCO message integrity check (MIC)
IEEE 802.11 WEP keys of 40 bits and 128 bits
WPA/WPA2
WPA2
Frequency Band
2.412 to 2.462 GHz
5.15 to 5.35, 5.725 to 5.825 GHz
Channels
2.412 to 2.462 GHz; 11 channels
5.15 to 5.35, 5.725 to 5.825 GHz; 12 channels
Antenna
2.4 GHz: Dual RP-TNC connectors
5 GHz: Dual RP-TNC connectors
Transmitted Power
802.11a
OFDM:
17 dBm (50 mW)
15 dBm (30 mW)
14 dBm (25 mW)
11 dBm (12 mW)
8 dBm (6 mW)
5 dBm (3 mW)
2 mW (2 dBm)
-1 dBm (1 mW)

802.11g
CCK:
20 dBm (100 mW)
17 dBm (50 mW)
14 dBm (25 mW)
11 dBm (12 mW)
8 dBm (6 mW)
5 dBm (3 mW)
2 dBm (2 mW)
-1 dBm (1 mW)

OFDM
17 dBm (50 mW)
14 dBm (25 mW)
11 dBm (12 mW)
8 dBm (6 mW)
5 dBm (3 mW)
2 dBm (2 mW)
-1 dBm (1 mW)
Receiver Sensitivity
802.11a:
6 Mbps: -88 dBm
9 Mbps: -87 dBm
12 Mbps: -86 dBm
18 Mbps: -85 dBm
24 Mbps: -82 dBm
36 Mbps: -79 dBm
48 Mbps: -74 dBm
54 Mbps: -73 dBm

802.11g:
1 Mbps: -96 dBm
2 Mbps: -93 dBm
5.5 Mbps: -91 dBm
6 Mbps: -91 dBm
9 Mbps: -85 dBm
11 Mbps: -88 dBm
12 Mbps: -83 dBm
18 Mbps: -81 dBm
24 Mbps: -78 dBm
36 Mbps: -74 dBm
48 Mbps: -73 dBm
54 Mbps: -73 dBm
Operating Range
Indoor (Distance Across Open Office Environment):
802.11a:
85 ft (26 m) @ 54 Mbps
150 ft (46 m) @ 48 Mbps
210 ft (64 m) @ 36 Mbps
230 ft (70 m) @ 24 Mbps
260 ft (79 m) @ 18 Mbps
280 ft (85 m) @ 12 Mbps
310 ft (94 m) @ 9 Mbps
330 ft (100 m) @ 6 Mbps

802.11g:
105 ft (32 m) @ 54 Mbps
180 ft (55 m) @ 48 Mbps
260 ft (79 m) @ 36 Mbps
285 ft (87 m) @ 24 Mbps
330 ft (100 m) @ 18 Mbps
355 ft (108 m) @ 12 Mbps
365 ft (111 m) @ 11 Mbps
380 ft (116 m) @ 9 Mbps
410 ft (125 m) @ 6 Mbps
425 ft (130 m) @ 5.5 Mbps
445 ft (136 m) @ 2 Mbps
460 ft (140 m) @ 1 Mbps

Outdoor:
802.11a:
100 ft (30 m) @ 54 Mbps
300 ft (91 m) @ 48 Mbps
425 ft (130 m) @ 36 Mbps
500 ft (152 m) @ 24 Mbps
550 ft (168 m) @ 18 Mbps
600 ft (183 m) @ 12 Mbps
625 ft (190 m) @ 9 Mbps
650 ft (198 m) @ 6 Mbps

802.11g:
120 ft (37 m) @ 54 Mbps
350 ft (107 m) @ 48 Mbps
550 ft (168 m) @ 36 Mbps
650 ft (198 m) @ 24 Mbps
750 ft (229 m) @ 18 Mbps
800 ft (244 m) @ 12 Mbps
820 ft (250 m) @ 11 Mbps
875 ft (267 m) @ 9 Mbps
900 ft (274 m) @ 6 Mbps
910 ft (277 m) @ 5.5 Mbps
940 ft (287 m) @ 2 Mbps
950 ft (290 m) @ 1 Mbps
Modulation
CCK, OFDM
Interface
Ethernet Port
LEDs
Status LED indicates operating state, association status, error/warning condition, boot sequence, and maintenance status
Ethernet LED indicates activity over the Ethernet, status
Radio LED indicates activity over the radio, status
Ports
1 x 10/100M
Power Adapter
100 to 240 VAC; 50 to 60Hz (power supply)
36 to 57 VDC (device)
Dimensions
6.6" x 8.5" x 1.1"
Weight
2 lbs.
Temperature
-20 to +55°C
Humidity
10% - 90%, Non-Condensing

Features

Features
Uplink, auto-sensing per device, power over Ethernet (PoE), BOOTP support
Multipurpose and Lockable Mounting Bracket: Provides greater flexibility in installation options for site survey options, as well as theft deterrence.
Supports installation in environmental airspaces such as areas above suspended ceilings
Metal case and rugged features support deployment in factories, warehouses, the outdoors (NEMA enclosure required), and other industrial environments

Packaging

Package Contents
AIR-AP1242AG-A-K9
Power Cord
Other Accessories

Manufacturer Warranty

Parts
90 days limited
Labor
90 days limited

Disclaimer

Disclaimer
For most updated manufacturer warranty, please go to www.cisco.com.
Registration Phone
1-800-Go-Cisco

Quick Info

Warranty

  • Limited Warranty period (parts): 90 days
  • Limited Warranty period (labor): 90 days


Customer Reviews of the Cisco Systems, Inc. AIR-AP1242AG-A-K9

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  • Steve W.
  • 1/18/2013 12:54:47 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsTerrific AP

Pros: All of the "pros" of having a Cisco - reliability, support, performance, etc..

Cons: All of the "cons" of having a Cisco - high price, having to pay for ANY support.

Other Thoughts: These units are nice and solid - both in the sense of performance and in the sense of physical build. High performance, vast security options. This model can be run standalone or a lightweight AP, so it can be used with or without a WLAN controller.

This unit also has a 2.4GHz "G" radio and a 5GHz "A" radio. If you're not going to use A, you can save a few bucks and get the version without it.

Performance is terrific. I haven't done PPS measurements, but using it for latency-critical PCoIP streams gives much better seat-of-the-pants feel than other APs that I've used.

This unit does not come with antennas, you will need to purchase RP-TNC antennas to go with it.

The firmware on this is a bit dated, and the GUI is quite buggy. You can only get a newer firmware version from Cisco if you pay for a support contract. So, if you're an IOS person, use the command line. If you must use the GUI, use IE, be patient, search for online guides, and DO NOT use the "Express setup" or "Express security".

Mounting bracket is quite nice, and includes adapters to mount it directly to the T-channel in your suspended ceiling. Has provision for a secure cable, or even for a padlock.

Did you find this review helpful? Yes No

  • Michael P.
  • 11/29/2010 6:38:53 AM
  • Tech Level: High
  • Ownership: more than 1 year

5 out of 5 eggsExcellent Product

Pros: Using these in a warehouse, environment in Houston, TX. High heat, high humidity, never a problem! Four of them are completely blanketing our 350,000 sqft. Even between large racks with solid freight on them.

Four External antenna capable (Two 802.11a, Two 802.11g)
Multiple SSIDs and Security Methods.
SSID to VLAN mapping!
Powered off DC adapter or PoE.

Cons: They do seem to run hot. In the summertime, when its 95+ outside, the bottom of the AP can burn you. (They still run strong though)

Other Thoughts: Hate that I've paid for the Cisco smartnet for the past two years on the four of these I've owned. It's a waste of my money, haven't had a single issue!

Did you find this review helpful? Yes No

  • Michael P.
  • 3/30/2009 4:07:06 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year

5 out of 5 eggsSimply unbeatable

Pros: Awesome speeds. Awesome range. Totally customizable.

Cons: Even GUI setup might be frustrating for non tech savy users

Did you find this review helpful? Yes No

  • Richard H.
  • 12/28/2007 3:51:43 PM
  • Tech Level: High
  • Ownership: more than 1 year

5 out of 5 eggsBest pre-802.11n AP

Pros: multi-ssid pre wireless interface, so many more I can't list them

Cons: Requires some knowledge of configuring Cisco equ

Other Thoughts: Look for the 1250ap for 802.11n

Did you find this review helpful? Yes No

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Home > 
Computer Hardware > 
Networking > 
Wireless Networking > 
Wireless AP > 
Cisco Systems, Inc. > 
Item#: 9SIA24G1GC0382
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