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Is band aggregation possible in the ZTE MF258K router?

Insensible 15825 13
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  • #1 19611720
    Insensible
    Level 8  
    Posts: 16
    Rate: 3
    Hi forumers!

    Is it possible to aggregate bands on the ZTE MF258K router? I know that there is an application for Huawei routers.
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  • #2 19612001
    NOWY987654321
    Level 25  
    Posts: 542
    Help: 87
    Rate: 96
    And where does the router come from and in what network and where is it supposed to work? On FW for T-mobile, it is possible to select specific bands for aggregation in WebUI, and also even carriers and PCI. The equipment aggregates 4 LTE bands, those from Play do not have the band selection function and cause problems, are you dissatisfied with the B818 with the Cybertech antenna?
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  • #3 19615148
    Insensible
    Level 8  
    Posts: 16
    Rate: 3
    NOWY987654321 wrote:
    And where does the router come from and in what network and where is it supposed to work? On FW for T-mobile, it is possible to select specific bands for aggregation in WebUI, and also even carriers and PCI. The equipment aggregates 4 LTE bands, those from Play do not have the band selection function and cause problems, are you dissatisfied with the B818 with the Cybertech antenna?


    Just the B818 with the Cybertech antenna works great :) I'm asking on behalf of a friend, he wants to have Internet at a cheap cost in a very poor location and he took this set from Playa, unfortunately he had no other option.
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  • #4 19615180
    NOWY987654321
    Level 25  
    Posts: 542
    Help: 87
    Rate: 96
    And what is this location and what does the Settings-Network-LTE Settings tab look like on MF258k?
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  • #5 19615211
    Insensible
    Level 8  
    Posts: 16
    Rate: 3
    NOWY987654321 wrote:
    And what is this location and what does the Settings-Network-LTE Settings tab look like on MF258k?


    A low house in the woods, the antenna probably mounted on a tree. 51.908374 20.670884 Is band aggregation possible in the ZTE MF258K router?
  • #6 19615271
    NOWY987654321
    Level 25  
    Posts: 542
    Help: 87
    Rate: 96
    In such conditions, a friend should not take this set, first of all it is problematic with FW Play and above all it does not provide the correct signal parameters on LTE1800 from BTS Pniewy, the aggregation on the screen is the LTE1800 base band, the signal is very weak and LTE800 to it with sufficient signal. LTE1800 + 2100 aggregation does not turn on, signal on LTE2100 is probably fragmentary. In addition, FW for Play does not allow forcing LTE bands, including LTE2100 + 1800 aggregation.
    He must try to change the mounting location of the antenna, and preferably change the equipment and after the tests select an external antenna for 1800-2100MHz with high gain.
  • #7 19615470
    Anonymous
    Level 1  
  • #8 20699768
    spider_net
    Level 19  
    Posts: 589
    Help: 2
    Rate: 60
    I'll update the topic a bit. I bought a router MF258 Orange network. Request for help in optimizing band aggregation. You can set up band/frequency/pci locks in the router....

    The nearest transmitter to which the antenna is directed:
    Table with information about GSM, LTE, and UMTS bands for the Orange network showing band, LAC, CID, and other details.

    Router automatic parameters:
    Screenshot showing network connection statistics for a router, with information on three bands.

    Band aggregation tab:
    Screenshot of the MF258 router settings for band aggregation.
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  • #9 20699838
    matek451
    Level 43  
    Posts: 31046
    Help: 4313
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    Ask @jarek7714 he knows it as little as anyone and based on the PCI shown he will show you BTSs and sectors on individual Orange carriers.
    Seriously, you have LTE1800+2100+1800 aggregation, 3 sector, you have sufficient signal parameters on LTE1800/800 and weak on LTE2100. Do you live in the area between Wroniawy and Obra? What are your DL/UL speeds under these conditions on the MF258K?
    Helpful post? Buy me a coffee.
  • #10 20699921
    spider_net
    Level 19  
    Posts: 589
    Help: 2
    Rate: 60
    Kębłów area. The antenna directed at Wroniawy. On auto settings DL UL:

    Internet speed test results showing download at 51.90 Mbps and upload at 22.18 Mbps.
  • #11 20699954
    matek451
    Level 43  
    Posts: 31046
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    Rate: 5707
    The result is correct for this time, but ORANGE is not an operator for this location, I bet on KĘBŁOWO because you showed PCI W in ORANGE and PCI 76 on LTE1800 is the 2nd sector from OBRA, the antenna receives backwards, the signal from OBRA is much worse for this reason . But Obra has LTE2600+2100+1800+800. PCI 226 is the neighboring 2nd sector from Wroniawa, I would try with this BTS Obra, maybe it will be better.
    And the operator for KĘBŁÓW is PLAY because it has BTS with LTE2600+2100+1800+800 there, I would test PLAY on Virgin-Mobile 470GB/MC pre-paid for PLN 15.
    Helpful post? Buy me a coffee.
  • #12 20699975
    spider_net
    Level 19  
    Posts: 589
    Help: 2
    Rate: 60
    Just changing the direction of the antenna would involve a significant modification of the installation, which I honestly don't want to do ... The question is whether you can still "tune up" the parameters on these settings ...
  • #13 20700003
    matek451
    Level 43  
    Posts: 31046
    Help: 4313
    Rate: 5707
    No, setting BTS NetWORKS without LTE2600 is unlikely to give better results, 3 bands in aggregation, signal parameters on LTE1800 and SINR below 16dB, so maximum modulation QAM64 instead of QAM256. Hence, such results, depending also on the sector's load, may be even slower in the evenings. LTE2100+1800+800 is 35MHz of available bandwidth, there is an additional 15MHz on LTE2600 in OBRA, i.e. 50MHz in total, and the LTE2600 band is usually the least loaded and the fastest.
    But I think that in PLAY from Kębłów on 4 bands LTE2600+2100+1800+800 with 55MHz it will be much faster, BTS is close, signal parameters are probably better and SINR allows for QAM256, I have 250-300Mb / s from a similar one.
    Helpful post? Buy me a coffee.
  • #14 20700237
    jarek7714
    Level 27  
    Posts: 826
    Help: 85
    Rate: 117
    @spider_net, unfortunately, the equipment with the current modem settings has too weak signal parameters to be able to extract the maximum from aggregation (although in Orange with this aggregation it is different / personally I use only B1 + B7 / QoS does its job). I have not used this equipment / from the information on the web it appears that the firmware version is important.
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Topic summary

✨ The discussion revolves around the possibility of band aggregation on the ZTE MF258K router. Users share experiences with different firmware versions and network conditions affecting performance. One user mentions that the router can aggregate LTE bands under specific conditions, particularly with T-Mobile firmware, while others highlight issues with the Play network, which lacks band selection features. Recommendations include optimizing antenna placement and considering alternative equipment for better signal reception. The conversation also touches on the importance of firmware versions and signal parameters for effective band aggregation.
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FAQ

TL;DR: Yes—MF258K can aggregate up to 4 LTE bands, and you can "select specific bands" in T‑Mobile firmware. [Elektroda, NOWY987654321, post #19612001]

Why it matters: This FAQ helps MF258K owners and installers on Play/Orange/T‑Mobile lock bands and tune carrier aggregation for better speeds in weak‑signal areas.

Quick Facts

Is band aggregation possible on the ZTE MF258K?

Yes. With T‑Mobile firmware, the WebUI lets you pick specific bands, carriers, and PCI. The MF258K aggregates up to four LTE bands. Play-branded units lack this selection and can cause issues. [Elektroda, NOWY987654321, post #19612001]

Which MF258K firmware lets me lock bands, carriers, or PCI?

T‑Mobile firmware enables band, carrier, and PCI selection in the MF258K WebUI. This allows precise carrier aggregation tuning per site conditions. [Elektroda, NOWY987654321, post #19612001]

How do I lock bands or PCI on the MF258K?

  1. Log into the MF258K WebUI as admin.
  2. Open the LTE settings page and choose desired bands/carriers; optionally set PCI.
  3. Apply changes, then test speeds and stability. This uses the router’s built‑in controls. [Elektroda, NOWY987654321, post #19612001]

Why do I see LTE1800+2100+1800 aggregation on Orange?

Your site broadcasts multiple LTE1800 carriers. The MF258K can aggregate two LTE1800 carriers plus LTE2100, shown as 1800+2100+1800. [Elektroda, matek451, post #20699838]

What bands does the OBRA site add, and why does that matter?

OBRA includes LTE2600+2100+1800+800. Without LTE2600 you get 35 MHz; adding LTE2600 raises total to 50 MHz and is usually less loaded. [Elektroda, matek451, post #20700003]

My SINR is under 16 dB; what throughput penalty should I expect?

Expect QAM64 instead of QAM256, which lowers peak data rates even with CA. "SINR below 16 dB" was cited as the limiting factor. [Elektroda, matek451, post #20700003]

I can’t re-aim the antenna—what gains are still realistic?

"No, setting BTS NetWORKS without LTE2600 is unlikely to give better results," and evening speeds may drop further. Consider switching to a site with LTE2600 support. [Elektroda, matek451, post #20700003]

Which operator works best around K9b2 2w with MF258K?

Play is recommended there, offering LTE2600+2100+1800+800. Try Virgin‑Mobile pre‑paid with 470 GB/MC for PLN 15 to test performance. [Elektroda, matek451, post #20699954]

Why am I picking up a sector from the back (unexpected PCI)?

Your antenna may be receiving the neighboring site backwards, giving worse signal from that direction. Re-aiming can fix unexpected PCI hits. [Elektroda, matek451, post #20699954]

LTE2100 is weak but LTE800/1800 look OK—what should I change?

Change the antenna mounting location and use a high‑gain 1800–2100 MHz external antenna. This improves B1/B3 signal balance for CA. [Elektroda, NOWY987654321, post #19615271]

Is the Huawei B818 with a Cybertech antenna a better bet?

One user reported the B818 with a Cybertech antenna "works great." If you have it, it’s a proven combo for challenging sites. [Elektroda, Insensible, post #19615148]

What alternative hardware helps in forested or remote sites?

Consider a router plus an offset or grid antenna, or a MikroTik CPE. These are effective but not “cheap” solutions. [Elektroda, Anonymous, post #19615470]

Does firmware version affect aggregation performance on MF258K?

Yes. Firmware version is important for how CA and QoS perform; some users prefer B1+B7 on Orange. [Elektroda, jarek7714, post #20700237]
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