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Re: Motorola MC9500 Handheld Roaming Issues

by in Wireless
‎Nov 2 2017 5:50 PM
‎Nov 2 2017 5:50 PM
Thanks Phillip for the pointers.  The yard AP is primarily putting out 2.4Ghz only.  It does have an antenna facing to the north that puts out 5Ghz, which is then received by a repeater on the building in the top right of the image.  However, I went back through the logs and my phone was using a channel on the 2.4Ghz frequency.  As you recommended, I did go ahead and increase the min bitrate to 12Mbs.  It would be nice if there was a way to set that per AP.  I'll give it a couple of days and see if the performance is any better.   I was going to enable the 802.11r protocol, but when I went back into the specs of the handheld, it does not support that.  In addition, it is 2.4Ghz only.  The customer purchased these handhelds within the last 3-4 years, but apparently they hit the market back in 2009, so the technology is a bit dated.   Thanks again! Troy     ... View more

Motorola MC9500 Handheld Roaming Issues

by in Wireless
‎Nov 2 2017 4:55 PM
‎Nov 2 2017 4:55 PM
We have a client that we recently replaced their 15+ year old Cisco Aironet equipment with all Meraki.  They have a warehouse, an office building and a couple outdoor WAPs.  We spent a week or so working out the signal strength issues for the outdoor "yard", but now we are having issues with the Motorola MC9500 Handhelds (Windows Embedded) running the Fusion wireless connectivity software.  The handhelds connect the wifi without any issues.  However, while walking around the yard the signal drops a bit and randomly the handheld will connect to another AP that is further away and has worse signal.  Once that happens, the software on the handheld can't retrieve data and the handheld becomes a brick until it reconnects.  To my knowledge, wireless is working fine with mobile phones.  In fact, I took my Samsung phone and wandered all over the yard while doing a ping test to the GW and it didn't drop once.  I did look through the Meraki logs for my phone and I can see that it bounced around from AP to AP, but never once had any issues with it doing that.  I'm 80% sure it has something to do with the handhelds and their roaming abilities, but there is lack of any real support on the handhelds and Google isn't coming up with anything significant.  I'm new to Meraki and I'm trying to decipher all of the data that is available on the Meraki portal.  I'm wondering if anyone else has had this type of issue with Motorola/Zebra handhelds?? In the picture below, the arrow on the right side points to an outdoor AP (MR74) and the APs the handheld will drop and try to connect to are indoor and located in the building at the bottom of the pic with the two arrows.  These are MR42s.  The big red box outlines the general area where the handhelds drop.  Any ideas would be helpful!     Troy ... View more
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