# Question about LTE North American Options...

Source: https://forum.modalai.com/topic/1211/question-about-lte-north-american-options
Category: General Questions (https://forum.modalai.com/category/2/general-questions)
Posted: 2022-08-16 21:35:35 UTC by Ed Sutter
Replies: 6 · Views: 2363

## Ed Sutter · 2022-08-16 21:35:35 UTC

I'm trying to figure out which of the two V2 North American Carriers modules to order, so I need to resolve this...

I'm confused regarding a few of the options listed in the drop-down list on the [VOXL Cellular LTE and USB hub page](https://www.modalai.com/collections/accessories/products/voxl-lte).  The two V2 North American Carriers Sierra options are [WP7610](https://www.sierrawireless.com/iot-modules/4g-modules/wp7610-accessory-board/) and [RC7611](https://www.sierrawireless.com/iot-modules/smart-modules/rc7611/).

The Sierra website doesn't list the WP7610 under its [IOT modules page](https://www.sierrawireless.com/iot-modules/smart-modules/), but it does show up as some kind of PCI-E accessory [here](https://www.sierrawireless.com/iot-modules/4g-modules/wp7610-accessory-board/).  The picture on [that page](https://www.sierrawireless.com/iot-modules/4g-modules/wp7610-accessory-board/) implies that there is a WP7610 "module" mounted on some kind of PCI-E carrier board; but Sierra Wireless doesn't list any WP7610 "module" in their [Smart Modules page](https://www.sierrawireless.com/iot-modules/smart-modules/).  See what I mean?

As best I can tell, the [WP7610](https://www.sierrawireless.com/iot-modules/4g-modules/wp7610-accessory-board/) assembly as shown will not mount into the [VOXL Cellular LTE and USB hub](https://www.modalai.com/collections/accessories/products/voxl-lte) carrier.  So I can only come to one of two conclusions:
1) There is a typo on this [page](https://www.modalai.com/collections/accessories/products/voxl-lte), and WP7610 should actually be WP7611 in the drop down list.
or...
2) For some reason Sierra Wireless chose not to list their WP7610 "module" under their ["Smart Modules" page](https://www.sierrawireless.com/iot-modules/smart-modules/).

Can someone familiar with this VOXL option clarify?
Thanks

## Reply by tom (ModalAI staff) · 2022-08-16 21:49:18 UTC

@Ed-Sutter The sierra module itself sits in the socket as seen empty here: https://docs.modalai.com/lte-modem-v2-dongle-datasheet/#board-connections-and-io

and populated here: https://docs.modalai.com/lte-modem-and-usb-add-on-v2-datasheet/#board-connections-and-io

The "cage" is then attached on top in order to hold it in place.

That PCI-E card you're referencing just has the module soldered onto the it, where-as ours allows users the option to switch modules in the future.

The Sierra docs used to have a page up about the 7610, I know because I have the link saved: https://www.sierrawireless.com/products-and-solutions/embedded-solutions/products/wp7610/ but it seems to be broken now.

Short answer: 7610 is correct

## Reply by Ed Sutter · 2022-08-17 13:33:04 UTC (in reply to tom)

@tom Ok thanks... the missing WP7610 module page is what caused most of my confusion.  
Thanks

## Reply by Chad Sweet (ModalAI staff) · 2022-08-17 14:37:54 UTC

The WP7610 is EOL, but we are still selling out our stock which is why there are so many versions on our product page.

## Reply by Ed Sutter · 2022-08-17 14:47:54 UTC (in reply to Chad Sweet)

@Chad-Sweet Right, I just noticed that on their site.  I did find the WP7610 page [here](https://source.sierrawireless.com/devices/wp-series/wp7610), but the top-level "WP Series" page shows it not recommended for new designs...
Thanks,

## Reply by Ed Sutter · 2022-08-17 16:09:26 UTC (in reply to Chad Sweet)

@Chad-Sweet One more clarification... the "V1" and "V2" terms used with the LTE modems do not correspond to "VOXL1" and "VOXL2", correct?

## Reply by Chad Sweet (ModalAI staff) · 2022-08-17 16:39:30 UTC

No, V1 uses WNC modems and V2 uses Sierra