Wireless Joint

thanks. hmmm, so sounds like maybe this issue is not present with the em9191 then?


If i use alot of data quickly, say 3 streams going at once, my internet will stop but would still say its connected.


what about like speedtest.net which maxes out your connection bandwidth?


Not always ...

macuseri686 wrote: Sat Dec 10, 2022 1:54 am thanks. hmmm, so sounds like maybe this issue is not present with the em9191 then?

If i use alot of data quickly, say 3 streams going at once, my internet will stop but would still say its connected.

I have an em9191 with t-mobile. I would randomly have issues with random disconnections. I updated the modem to the latest and now i just have my router reset every morning before i get up. From time to time ill just reset the modem and not the router.


Thanks. im curious if you could run a ...

Can anyone with a sierra em9191 and T-Mobile confirm Whether they have random disconnections in 2022? I might actually just buy one to give it a try. After like a week of having it work and not disconnecting after I got my external modem enclosure, the problem is back again :(



I have an em9191 ...

I try to do band locking but keeping getting Error. Is the band locking different with the EM91 series?

here are a few pictures

nothing is wrong with it, only wanted to build one. hasn't been running more than a few hours.

Sierra Wireless EM7511 CAT-12 LTE-A Pro Modem
WG3526 4G LTE WiFi Router Dual Band (2.4GHz-5GHz) WiFi
MHF4 Pigtail Jumper Cables

The router is all put together. Asking $450

They default to the generic but in advanced settings you can choose to go with a wireless carrier.

I might try the wireless carrier firmware when I get the antennas delivered and setup to see which one might be better.

i was able to upgrade over the sierra wireless, but now. The device says i have internet but i cannot get any web pages to load.

AT!GSTATUS?
!GSTATUS:
Current Time: 220 Temperature: 40
Reset Counter: 1 Mode: ONLINE
System mode: LTE PS state: Attached
LTE band: B2 LTE bw: 10 MHz
LTE Rx chan ...

is there a special way to update the firmware for the chip? or do i basically just go to flash firmware in r00ter?

the router seems to be working how it should after i put it back to generic.

Yes. EM75XX has trouble with that command. It defaults back to Verizon.

Got it back on the 4G by doing"

AT!ENTERCND="A710"
AT!IMPREF="GENERIC"
AT!RESET
___________________________________________

AT!GSTATUS?
!GSTATUS:
Current Time: 159 Temperature: 39
Reset Counter: 1 Mode: ONLINE
System mode: LTE PS state: Attached
LTE band: B2 LTE bw: 10 MHz
LTE Rx chan: 700 LTE ...

It works in every mode but the 4G now, i used the sim in another router and it picked up the 4g just fine.

AT!GSTATUS?
!GSTATUS:
Current Time: 188 Temperature: 41
Reset Counter: 1 Mode: ONLINE
System mode: WCDMA PS state: Attached
WCDMA band: WCDMA 1900
WCDMA channel: 412
MM (CS) state: IDLE ...

after i did the AT!RMARESET=1. I got a timeout error and now i cannot get any 4G bands to stay connected, it just cycles the bands

AT!GSTATUS?
!GSTATUS:
Current Time: 691 Temperature: 40
Reset Counter: 1 Mode: ONLINE
System mode: LTE PS state: Not attached
LTE band: B66 LTE bw: 20 MHz
LTE Rx ...

AT!BAND=0F,"2,12,30",0,20000802

Thats when i get

B2 (Bandwidth 10 MHz) aggregated with:
B29 (Bandwidth unknown) aggregated with:
B11 (Bandwidth unknown)

that is what i did try but it just wont lock to them

AT!USBCOMP?
Config Index: 1
Config Type: 3 (Generic)
Interface bitmask: 0000010D (diag,nmea,modem,rmnet0)

LTE Band :
B2 (Bandwidth 10 MHz) aggregated with:
B29 (Bandwidth unknown) aggregated with:
B11 (Bandwidth unknown)

The tower this is connected to is B2, 12, 30. I can connect to each band individually but when i try to get 2 bands together i get this. Does this mean i cannot put these bands ...