# LTE Wireless Modem using MC7304

**URL:** <https://forum.sierrawireless.com/t/lte-wireless-modem-using-mc7304/8262>\
**Category:** MC/EM Series\
**Created:** [October 30, 2015, 2:56am UTC](https://forum.sierrawireless.com/t/lte-wireless-modem-using-mc7304/8262 "2015-10-30T02:56:08Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![zerolevel](https://avatars.discourse-cdn.com/v4/letter/z/a3d4f5/32.png) [@zerolevel](https://forum.sierrawireless.com/u/zerolevel)\
**Post date:** [October 30, 2015, 2:56am UTC](https://forum.sierrawireless.com/t/lte-wireless-modem-using-mc7304/8262/1 "2015-10-30T02:56:08Z")

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I am working on a Wireless Modem compatible with Argentinean frequencies. I am planning to replace the current MC7304 used on this Modem with one compatible with Argentinean Mobile frequencies bands.

```
        The Argentinean Mobile Frequencies bands are:

```

2G: 850 / 1900  
3G: 850 / 1900  
4G: Band 4 (AWS, 1700\*) / Band 28 (APT700, 700 MHz\*\*)

```
        Is it possible to firmware upgrade my MC7304 to be compatible with the Argentinean frequencies bands?
```

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**Author:** ![Rex\_alex](https://avatars.discourse-cdn.com/v4/letter/r/73ab20/32.png) [@Rex\_alex](https://forum.sierrawireless.com/u/Rex_alex)\
**Post date:** [November 4, 2015, 9:52am UTC](https://forum.sierrawireless.com/t/lte-wireless-modem-using-mc7304/8262/2 "2015-11-04T09:52:37Z")

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Hi,  
Changing FW won’t help here…

I have gone through the PTS of MC7304. As per the PTS, MC7304 supports the 2G and 3G bands mentioned, but doesn’t support the mentioned 4G band.

But I found in the PTS of MC7354, it supports mentioned 2G, 3G and 4G band 4(AWS, 1700) 🙂

-Alex