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07-19-2010 07:56 AM - last edited on 12-02-2013 12:22 AM by Lisa198503
07-19-2010 07:56 AM - last edited on 12-02-2013 12:22 AM by Lisa198503
MSM422 external antennas
I am pretty new in wireless LAN and hope anybody could give guidance/answers to my queries.
We would be using MSM422 dual radio AP, it has the option of using external antennas, 3 antennas for radio 1 and 1 for radio 2. My question would be, if we use external antennas for radio 1, do we need to have three external antennas connected to radio 1 to benefit from this setup? what if we just use 2 antennas on for radio 1 on ports B & C, will we have lesser transmit power and receive sensitivity for radio 1?
Will the AP performance be degraded if we set both radios to b/g?
Can APs be group and have just one channel?
Need your expert advise. Thanks
P.S. This thread has been moved from Communications, Wireless (Legacy ITRC forum) to MSM Series. -HP Forum Moderator
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07-19-2010 11:26 PM
07-19-2010 11:26 PM
Re: MSM422 external antennas
=> No; if you search for antanna-options for this MSM, you will find the two-antanna-option(s).
>>> what if we just use 2 antennas on for radio 1 on ports B & C, will we have lesser transmit power
=> no Rf power is the same,
multiple ntanna's are used for "diversity" technique.
>>> and receive sensitivity for radio 1?
=> Yes, This diversity technique is a way to
make the antenna's "directional sensitive" (per RF-client), so the three-antenna setup is (supposed/designed to be) more sensitive.
But then again external antenna's are more flexible to setup. So this setup can be more sensitive then using built-in antenna's.
It will be hard to be predicted the result in advance.
look at doc's in this link
http://h10144.www1.hp.com/customercare/support/manuals/antennas.htm