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MBR95 maxing at ~8Mbps ??

 
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johnray38640
EVDO Newbie


Joined: 08 Mar 2014
Posts: 7

PostPosted: Sat Mar 08, 2014 8:36 pm    Post subject: MBR95 maxing at ~8Mbps ?? Reply with quote

Hello,

Using a Sierra U313 LTE modem on AT&T. Plug it into my laptop, I see 20+ Mbps. Plugged into a Cradlepoint MBR95 with version 5 of the firmware, I see roughly 7.5 Mbps - consistently. It never rises above 8.

Cradlepoint shows a 100% signal. U313 is fully patched with the latest firmware.

This is bugging me because our area JUST got LTE. I see 20Mbps on my iPhone and ipad as well as the USB modem (on my laptop).... But put it in the MBR95 and poof... Speed is cut by at least 50%. No filters, nothing at all special configured.

Thoughts? Recommendations for another router?
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evdovalerie
3Gstore Employee


Joined: 02 Feb 2012
Posts: 134

PostPosted: Mon Mar 10, 2014 10:27 am    Post subject: Reply with quote

Assuming the router is also on the latest 5.0.0 firmware, we would recommend using a USB extension cable (6-10ft long) to separate the modem from the router - we've seen this help with connection issues, mainly on AT&T modems.
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jamnw
EVDO User


Joined: 09 Sep 2009
Posts: 34
Location: tn

PostPosted: Mon Mar 24, 2014 7:36 pm    Post subject: Reply with quote

I'm curious if you found a resolution for this problem.
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torreyclark38643
EVDO User


Joined: 22 Mar 2014
Posts: 44

PostPosted: Mon Mar 24, 2014 9:12 pm    Post subject: Reply with quote

jamnw wrote:
I'm curious if you found a resolution for this problem.


I would try connecting a computer directly to the router via ethernet cable to one of the LAN ports. Then disable WiFi on the router admin page and perform a speed test. This will tell you whether or not Valerie's recommendation of getting a USB extension cable will work. It's possible that this is the cause if you are using AT&T because I believe their frequency is closer to the WiFi 2.4Ghz frequency. I saw a lot of these issues with Sprint's 4G WiMax modems. If that works then you know you just need the USB extension cable to put some distance between the WiFi antennas and AT&T USB modem to avoid the interference.
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jamnw
EVDO User


Joined: 09 Sep 2009
Posts: 34
Location: tn

PostPosted: Tue Mar 25, 2014 6:18 am    Post subject: Reply with quote

torreyclark38643 wrote:
jamnw wrote:
I'm curious if you found a resolution for this problem.


It's possible that this is the cause if you are using AT&T because I believe their frequency is closer to the WiFi 2.4Ghz frequency.




AT&T LTE is in the 700MGhz range.
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torreyclark38643
EVDO User


Joined: 22 Mar 2014
Posts: 44

PostPosted: Tue Mar 25, 2014 12:18 pm    Post subject: Reply with quote

jamnw wrote:
torreyclark38643 wrote:
jamnw wrote:
I'm curious if you found a resolution for this problem.


It's possible that this is the cause if you are using AT&T because I believe their frequency is closer to the WiFi 2.4Ghz frequency.




AT&T LTE is in the 700MGhz range.


I thought AT&T used the same frequency as Verizon for LTE, but I wasn't sure. I would still try my last suggestion of connecting directly via ethernet and disabling WiFi in the admin page, then perform a speed test. This way you can rule out interference for sure. Process of elimination is the only way to know for sure of what's causing the performance issue. I used to work for 3Gstore for about 3 years in sales & tech support.
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jamnw
EVDO User


Joined: 09 Sep 2009
Posts: 34
Location: tn

PostPosted: Wed Mar 26, 2014 7:01 am    Post subject: Reply with quote

http://en.wikipedia.org/wiki/List_of_LTE_networks

Verizon and AT&T use the 700mhz spectrum. Not the same bands.

Maybe there is something different in the way the two modems process the signal that may cause interference in the router.

I would like to know if the USB extension has helped the OP because I just purchased an MBR95 because I'm having issues with my current MBR900 router. I have a post about it already.

I'm using the same Sierra 313U modem.

I do agree with your troubleshooting method of turning off wifi.
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johnray38640
EVDO Newbie


Joined: 08 Mar 2014
Posts: 7

PostPosted: Thu Mar 27, 2014 7:04 am    Post subject: Re: MBR95 maxing at ~8Mbps ?? Reply with quote

johnray38640 wrote:
Hello,

Using a Sierra U313 LTE modem on AT&T. Plug it into my laptop, I see 20+ Mbps. Plugged into a Cradlepoint MBR95 with version 5 of the firmware, I see roughly 7.5 Mbps - consistently. It never rises above 8.

Cradlepoint shows a 100% signal. U313 is fully patched with the latest firmware.



An update: I believe an extension cable helped the situation somewhat - but not in the way I would have hoped. I was seeing lots of issues with the modem not initializing properly without the extension. With the extension, there haven't been any lockups or issues with the mbr95 getting the modem up and running.

Speeds are pretty much the same, but I have seen it creep above 8Mbps, so that's at least proof it is isn't somehow limited to 8mbps.

What I'm interested in knowing is what the top speeds people are seeing with LTE on the mbr95?

(Incidentally, all of my tests on the mbr are with wifi off and only a single device plugged into the router. It's a wired network, so no wifi at play.)
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torreyclark38643
EVDO User


Joined: 22 Mar 2014
Posts: 44

PostPosted: Thu Mar 27, 2014 8:36 am    Post subject: Reply with quote

If you run a speed test on two machines at the exact same time do you only get 4mbit/sec or 8mbit/sec on each? It would be interesting to see if it is only providing 8mbit/sec to each device or if it's only doing 8mbit/sec max in the router.
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evdovalerie
3Gstore Employee


Joined: 02 Feb 2012
Posts: 134

PostPosted: Thu Mar 27, 2014 10:48 am    Post subject: Reply with quote

I don't have access to an AT&T LTE modem, but I do have a MBR95 with a Verizon Pantech UML290 on LTE. Firmware on the MBR95 is up to date (v5.0.0).

I went ahead and ran some speed tests with the modem by itself. Next, I connected it to the MBR95 and connected my PC via Ethernet. After that, I connected via WiFi to the MBR95 and tested again. See results below...

NOTE: The test always wanted to default to Wichita, KS. I ran one test there and the other 2 went to servers in the Chicago, IL area, which is where I am currently

*UML290 by itself:








*MBR95 via Ethernet:








*MBR95 via WiFi:





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johnray38640
EVDO Newbie


Joined: 08 Mar 2014
Posts: 7

PostPosted: Thu Mar 27, 2014 11:58 am    Post subject: Reply with quote

evdovalerie wrote:
I don't have access to an AT&T LTE modem, but I do have a MBR95 with a Verizon Pantech UML290 on LTE. Firmware on the MBR95 is up to date (v5.0.0).


This is extremely helpful. It would appear, based on this, that there is no inherent bottleneck with the MBR95 on the latest firmware. I purchased a Peplink 20 for comparison (but am having a heck of a time getting it to recognize a U340 LTE modem). If I can just turn my focus back towards the MBR95 (and possibly finding a better spot for it/the modem/antenna), that will make my life much easier.

Thank you!
Very Happy
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torreyclark38643
EVDO User


Joined: 22 Mar 2014
Posts: 44

PostPosted: Thu Mar 27, 2014 2:38 pm    Post subject: Reply with quote

There is no bottleneck on any of the Cradlepoint routers, but many people think that the more computers that you have connected to the router...the slower the speed is. For example if you have 4 computers connected to the MBR95, then the speed would be 1/4 of what it would be with the modem connected directly to the computer.

This of course is not true, it's only when multiple computers are downloading data simultaneously that the speed slows down between computers. With the MBR95 you should be receiving speeds of at least 90% of what you get with the modem connected directly to your computer.
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