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Forum Discussion
YoungJo
Feb 20, 2025Aspirant
Netgear M7 pro unable to connect 5G in S.KOREA
Model: M7 pro (#MR7400) Firmware Version: NTGX75_10.03.22.01 Software Version: MR7400-1A1NAS_02.11 Hardware Version: 1.0 PRI Version: 02.11 My device is an AT&T model but is carrier unlocked. ...
YoungJo
Feb 21, 2025Aspirant
I agree with you. SKT operates both 5G-only SA mode and 4G+5G NSA mode. So, as you mentioned, if the AT&T M7 doesn’t support SA, it could appear as if it’s not connecting to 5G at all.
However, if it were actually connecting in 5G NSA mode but displaying as 4G, the download speed should be somewhat decent. On a smartphone in NSA mode, the download speed is around 100–200 Mbps, and in 5G priority mode, it reaches 1 Gbps. But on the M7 Pro, it only gets around 20 Mbps at the same spot. TT
rcpax JohnPeng
However, if it were actually connecting in 5G NSA mode but displaying as 4G, the download speed should be somewhat decent. On a smartphone in NSA mode, the download speed is around 100–200 Mbps, and in 5G priority mode, it reaches 1 Gbps. But on the M7 Pro, it only gets around 20 Mbps at the same spot. TT
rcpax JohnPeng
JohnPeng
Feb 21, 2025NETGEAR Expert
For NSA not working in S Korea, that is because ATT M7 doesn't support the following LTE bands: 1, 3, 5, 7.
For your case, it may be better to get Telstra MR7500 for using in your country. Or you have to wait for next MR with 5G SA enabled.
- YoungJoFeb 21, 2025AspirantAccording to the M7 Pro manual, the Mobile Band Specifications section states that the Nighthawk M7 Pro (model MR7400) supports the following bands:
4G/LTE bands: 1, 2, 3, 4, 5, 7, 12, 14, 28, 29, 30, 40, 46, 48, 66
5G NR bands: n2, n5, n12, n14, n28, n29, n30, n48, n66, n77, n78
Since it explicitly lists LTE bands 1, 3, 5, and 7 as supported, am I misunderstanding something?
And is there a possibility that the M7 Pro could support 5G SA through a firmware update?
JohnPeng - YoungJoFeb 22, 2025Aspirant
JohnPeng
Hi,
While browsing the forum, I came across the topic below.Re: M6 pro MR6550 5g not working at all only 4g on... - NETGEAR Communities
I believe it describes the same issue. The AT&T M7 Pro (unlocked) supports all the bands used by SKT in Korea. However, according to my research, SKT's 5G operates using EN-DC, which combines 5G NR n78 with one or two or three of three 4G bands B3, B5, and B7.
Could you provide an update file or a firmware update, similar to the solution given in the linked post?
Should I send you the model.json file too?
I would really appreciate your help. Thank you!- rcpaxFeb 22, 2025Luminary
the model of router that post pertains to is an unlocked MR6550. Yours is a an ATT M7 device. All firmwares for your device are being released by ATT. Netgear, as far as I know, does not release standalone firmwares for Carrier branded devices. This M7 device was not really optimized to work outside of the ATT network
- YoungJoFeb 23, 2025Aspirant
Thanks for the reply. I understand but, I sincerely appreciate Netgear's support in solving this matter.
I was reviewing the AT&T Nighthawk M7 Pro (MR7400) user manual, and I noticed a discrepancy between the Transmission Specifications and the Band Specifications for 5G NR bands.
Specifically, in Table 4 (Mobile Bands Specification), the n78 band (3300-4200 MHz) is listed as a supported band. However, in Table 3 (5G NR Transmission Characteristics), there is no mention of the n78 band, while other bands such as n77, n66, and n30 are listed with corresponding antenna gain values.
Could you clarify whether the MR7400 device officially supports the n78 band for actual use, despite it not being listed in the Transmission Specifications? Is this an omission in the documentation, or is there a hardware/software limitation that prevents full support for this band?
Please let me know.