Sierra Wireless MC7455 | EM7455 -- AT! Command Guide

How to tutorials for modems, hotspots, dongles
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BillA
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Re: Sierra Wireless MC7455 | EM7455 -- AT! Command Guide

Post by BillA » Sun Dec 29, 2019 6:59 pm

teksupsm wrote:
Sun Feb 10, 2019 7:59 am
When I run at!band=14,"B12",0,0000000000000800 I just get an ERROR
You get an error because your modem's hardware doesn't support that band.
Keep in mind you can only set the bands which are supported by your modem's hardware.

farmy87
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Re: Sierra Wireless MC7455 | EM7455 -- AT! Command Guide

Post by farmy87 » Mon May 18, 2020 8:59 pm

Trying to follow this guide, but getting an error every time I launch Huawei Modem Terminal.. Microsoft .Net Framework: Unhandled exception has occurred in your application...

Running Windows 10, w/ a EM7455 using the enclosure sold by ltefix.com

Any ideas?

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JimHelms
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Re: Sierra Wireless MC7455 | EM7455 -- AT! Command Guide

Post by JimHelms » Mon May 18, 2020 9:07 pm

Did you first install the Sierra Wireless driver software for Windows?

farmy87
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Re: Sierra Wireless MC7455 | EM7455 -- AT! Command Guide

Post by farmy87 » Mon May 18, 2020 9:21 pm

Thanks for the quick reply. I signed up at sierrawireless.com and downloaded and installed that. Tried it again from your link just in case.. but no dice :(

farmy87
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Re: Sierra Wireless MC7455 | EM7455 -- AT! Command Guide

Post by farmy87 » Wed May 20, 2020 4:40 pm

Tried it on a second computer and having the same exact issue.

farmy87
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Re: Sierra Wireless MC7455 | EM7455 -- AT! Command Guide

Post by farmy87 » Wed May 20, 2020 4:40 pm

Both computers seem to actually recognize and install the modem, I can see it in device manager.. just don't get why I can't get this terminal to work.

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BillA
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Re: Sierra Wireless MC7455 | EM7455 -- AT! Command Guide

Post by BillA » Thu May 21, 2020 6:58 pm

farmy87 wrote:
Wed May 20, 2020 4:40 pm
Both computers seem to actually recognize and install the modem, I can see it in device manager.. just don't get why I can't get this terminal to work.

Modems usually create multiple ports in device manager under "Modems" and Ports (Com & LPT), depending on the mode the modem is in (MBIM/QMI/etc.)
In the terminal app make sure you select the com port which is under "Modems", not Ports (Com & LPT) which are used for diagnostics purposes only.

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