ap1230 and ap1240 antenna explaination

Unanswered Question
Mar 30th, 2008

dear sir,

Any one have the doc. or can explain the cisco black colour antenna usage / meaning of left and right antenna for ap1230 and ap1240 ? Normally we will see 2 antenna, 1 left and 1 right. My question are belows: -


1. Cisco access point 1230 and 1240 will use both antenna to transmit signal ? left antenna will in charge transmit signal to left site and right antenna will transmit signal to right site?


2. Will it work by only using 1 antenna?


3. What's the maximum distance it can transmit the signal with 1 or both antenna ?



Please advise.


Your effort shall be highly appreciated.


thanks.

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bcolvin Sun, 03/30/2008 - 16:04

Charles


this is a freqent question


1. the 1230 ahd 1240 access points only transmit using one antenna both antennas are used for receive. The access point will transmit from either antenna but only use one at a time


2. yes you can use only one antenna. you need to configure the radio to use either the left or right antenna or diversity fo both.


3. the distance the access point can transmit is determined by the environment. Again using a single antenna does not reduce the distance as the access point can transmit, as it only uses one antenna for transmitting.


the following link to Wireless Site Survey FAQ should have some answers you need.


http://www.cisco.com/en/US/tech/tk722/tk809/technologies_q_and_a_item09186a00805e9a96.shtml


best wishes,


Bill

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