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Forum Discussion
Which TDD Settings are supportet? TDD/FDD CA? TDD 4x4 MIMO?
I have a M1 Nighthawk MR1100 EUS
In the data sheet the Bands 1,3 and 7 are listet for 4x4 MIMO support.
The 2600 TDD Band (Band 38) can use 4x4 MIMO?
My provider is use Band 38 ...
Schutti wrote:
The 2600 TDD Band (Band 38) can use 4x4 MIMO?
No, with TDD Bands you can't use 4x4 MIMO mode. With MR1100-100EUS you can use 4x4 MIMO mode with LTE FDD Bands 1, 3 and 7, includiung some FDD-only 3CA combinations with these bands.
Schutti wrote:
Which settings /Upload/Download are supportet, can the M1 use QAM256/QAM64 on TDD too?
Yes, 256QAM is working even with TDD bands (for downlink). It's a modem chipset function.
Schutti wrote:
Carrier Agregation support between TDD and FDD Bands?
MR1100-100EUS should work with such FDD + TDD combinations:
- CA_3_40;
- CA_3_41;
- CA_1_3_41.
A whats with QAM64 in Upload?
Band 40 and 41 are not in use in Europe.
Here is Band 38 in use with TDD.
Is there a Combination with Band 38 and Band 1,3 or 7?
There are different settings with TDD, like 3:1 or 1:1.
Which are supportet by the M1 Nighthawk?
https://www.youtube.com/watch?v=G9Q9aB4sefk
Where can I see all CA Combinations of the M1?
Schutti wrote:
A whats with QAM64 in Upload?
Band 40 and 41 are not in use in Europe.
Here is Band 38 in use with TDD.
Is there a Combination with Band 38 and Band 1,3 or 7?
64QAM for uplink is one of the main features of Qualcomm X16 Modem (9x5x).
About Band 38, i think combination 3_38 may work via MFBI LTE technology. But it is necessary to test it, no official information provided by vendor (Netgear).
One more question:
In the PDF: 4x4 MIMO for Band 1,3 and 7.
Band 7 (FDD) and Band 38 (TDD) are both 2600 MHz.
Can 4x4 MIMO be used by the M1 on Band 38?