Yikes, didn't think they were weak but it has been a while since I've looked. Based on that, are folks aiming to accommodate that weak of a signal at -65 or close to that?

-dan


Dan Brisson
Network Engineer
University of Vermont
(Ph) 802.656.8111
[email protected]

On 12/12/13, 1:54 PM, Turner, Ryan H wrote:

Things like iPhones are a lot lower than 25 mW.  Closer to 17.

Ryan H Turner

Senior Network Engineer

The University of North Carolina at Chapel Hill

CB 1150 Chapel Hill, NC 27599

+1 919 445 0113 Office

+1 919 274 7926 Mobile

*From:*The EDUCAUSE Wireless Issues Constituent Group Listserv [mailto:[email protected]] *On Behalf Of *Dan Brisson
*Sent:* Thursday, December 12, 2013 1:39 PM
*To:* [email protected]
*Subject:* Re: [WIRELESS-LAN] WiFi planning

Coming in a little late on this thread, but Tristan brings up an excellent point. We are dealing with multiple areas in our dorms where AirMagnet Survey with the AirMagnet a/b/g/n card had a much better RSSI/SNR than the student with an iPad or iPhone has. What we should have done when surveying was to turn down the TX power to something like 25mW, which would more closely mimic a tablet or smartphone.

We are in need of a survey tablet upgrade and currently looking at a Dell XPS with the built-in IntelĀ® Dual Band Wireless-AC 7260 since that appears to have direct support within AirMagnet. But I'm considering also purchasing something like a Nexus 5 smartphone and using that along with the tablet to check RSSI. I would prefer to use an iPhone since that's what the majority of students have, but from what I can tell there's still no decent App that will give RSSI values.

Curious what folks think of that strategy. Hopefully this is close enough to the main topic to not be considered hijacking. I had been meaning to get an email out on this topic.

Thanks,
-dan


Dan Brisson
Network Engineer
University of Vermont
(Ph) 802.656.8111
[email protected]  <mailto:[email protected]>

On 12/11/13, 5:38 PM, Tristan Gulyas wrote:

    Hi all,

    What device or test equipment is being used for the RSSI value? If
    we see -65dBm on a Fluke AirCheck, we're lucky to get -72dBm on an
    Intel 5100 in an HP laptop, as an example.  We'd like to pick a
    specific device, eg, an iPad and create standard measurements on
    such a device so the customer is empowered to report a fault based
    on data they have available.

    Tristan

    On 12 Dec 2013, at 8:27 am, Barros, Jacob <[email protected]
    <mailto:[email protected]>> wrote:



        We are going into dorm rooms over winter break to review ap
        placement.  Do any of you have a policy (written or unwritten)
        that sets a minimum RSSI for a space?  For example, if the
        RSSI is -65 or lower then you shuffle or add an ap to the area?


        Jake Barros  |  Network Administrator  |  Office of
        Information Technology

        Grace College and Seminary  |  Winona Lake, IN  | 574.372.5100
        x6178 <tel:574.372.5100%20x6178>

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