Comparison of the AP for site survey

Hi guys,.

Don't know if this is a repost, haven't seen my old post go up again...

I had to do a site survey in the coming months, and I was wondering what is the difference in making the survey with a different access point which must be installed. When I say different, its not going to be a too different AP!

The client goes with of 1242 once the investigation is complete, but I 1231 and 1130's use to the investigation.

I looked at records and didn't see too much difference between the 3 models, when using standard antennas, they will use in the end.

Would that be acceptable?

Thanks in advance

Mike

For a simple field measurement, everything boils down to three things; the antenna, the output of the transmitter and the receiver sensitivity and selectivity.

Of the three, most likely to be Variant are the receiver... especially because the radio components may vary and be better (yay technology!) or worse (f ' n beancounters do things cheaper construction).

Sensitivity improved without improving the selectivity would be a bad thing (like having a great amplifier open... noise gets amplified too). Selectivity is the ability of a receiver to discern the desired signal and interfering noise-type spectrum which also includes other issuers.

As long as these three essential characteristics are substantially similar, the results of the investigation of the site will be substantially similar.

Even if the features are not the same, if you know what they are, you can calculate the compensation, adjust the equipment or add additional "fudge factor."

IMO, given the State of the hardware of today, if the antennas are the same (type and substantially similar Smith maps - radiation diagrams), you will get a valid poll.

Good luck

Scott

Tags: Cisco Wireless

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