More bands for LTE perk

Would it be possible to choose an LTE solution with more bands and FDD/TDD too?
If one did not get the LTE perk now, will it be possible to get it later from you guys or third parties and the case, antennae not being a problem?

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Is there any way we could get the antennas and pigtails without the modem? I live in the US and have t-mobile which only supports:

LTE Frequencies:
1700 MHz & 2100 MHz AWS band 4
1900 MHz PCS band 2 (in refarmed areas)
Lower 700 MHz band 12 (in development) / in service in selected areas

3G/4G Frequencies (WCDMA):
1700 MHz & 2100 MHz AWS band 4
1900 MHz PCS band 2 (in refarmed areas)

2G Frequencies (GSM/GPRS/EDGE):
1900 MHz PCS band 2

Band 1900 is not available in my area.

Thanks!

They said they you can choose from 3 options

  1. B1/B3/B5/B7/B8/B20
  2. B1/B3/B8+B38/B39/B40/B41
  3. B1/B3+B38/B39/B40/B41

In the U.S. there are four major wireless carriers, and they use the following LTE bands:

AT&T: B2/B4/B17
Verizon: B2/B4/B13
T-Mobile: B2/B4/B12
Sprint: B25/B26/B41

I think I read somewhere that the LTE card being used is the Quectel EC20, which comes in several variants. It looks like your (1) is the EC20-E, (2) is the EC20-C, (3) is the EC20-CE.

If the EC20 is the actual LTE card being used, it would be really nice if the EC20-A variant were an option. That card supports B2/B4/B5/B12/B17, which covers almost all of the bands used by the top three providers in the U.S.

Where did you get this information? The update says "The modem will be available in
3 versions - 850/900/1800/1900MHz, 850/1900MHz and 900/1800MHz for
different regions."
These two sources don’t fit together.

If indeed the Quectel EC20 LTE cards will be offered, only EC20-A would fulfill my requirements. I hope that it becomes an option…

Proof and here and here

Quectel EC20
https://ctrlv.cz/EDY8

The MC7455 supports multiple LTE bands too, both for US and Europa:
https://www.sierrawireless.com/products-and-solutions/embedded-solutions/em-and-mc-series/

If they can get something universal, they can simplify their inventory.
Once users start testing different mPCIE solutions, we will have more devices to choose from.