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Huawei B525 LTE: Band Aggregation 1800+800 Speed Issues, Orange Network, B315 Comparison

sudszai 37935 19
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Why does my Huawei B525 on Orange only aggregate 1800+800 LTE bands, and can I force 2100+1800 instead?

You cannot force 2100+1800 on the B525 because that band pair is not supported by this router; the replies say the B525 works with 1800+800 and 2100+800 instead [#17828308][#17828770][#17831452] The fact that the BTS broadcasts 800, 1800 and 2100 does not mean every CA combination is available in practice, and one reply explicitly notes that the station usually does not support the 2100+1800 combination [#17828308][#17828770] The B525 should be able to aggregate LTE2100+800 or LTE1800+800 on the NetWorks/Orange BTS, but not 2100+1800 [#17831452] In your 1800+800 test, the speed can stay close to 1800 solo because LTE800 is often loaded and adds little to the result [#17831452] If there are LTE2600 sites nearby, the suggested next step is to aim the antenna at the closest transmitter and test LTE2600, LTE2600+1800, and LTE2600+800 [#17831452]
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  • #1 17828297
    sudszai
    Level 2  
    Posts: 3
    Rate: 5
    I have a problem with the lte speed in orange, i.e. today I got a b525 router with band aggregation (I force it with an application for huawei routers on the phone) only at the frequency of 1800 + 800 (I do not know why and I am asking for it) and the results are at the level of those I was using the b315 + antenna: 40Mbps / 25Mbps

    (I also use it for b525, says it because it may not meet some conditions to aggregate these other bands and I have no idea about it):
    cybertech. com. pl / p140, antenna-dual-lte-4g-15dbi-despite-to-huawei-b315-b310. html
    bts with which the link serves the 800 1800 2100 bands
    I would like to know why I cannot force
    e.g. 2100 + 1800 so that there is their aggregation.
    at the bottom of the screen from this application on the phone
    Huawei B525 LTE: Band Aggregation 1800+800 Speed Issues, Orange Network, B315 Comparison
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  • #2 17828308
    internick
    Level 36  
    Posts: 3081
    Help: 273
    Rate: 552
    Although the station operates 800, 1800 and 2100, 99% of it does not support this combination.
    In your case, the Huawei B715 would be useful.
    - (4G) 2CA: CA_1A-3A, CA_1A-7A, CA_1A-8A, CA_1A-20A, CA_1A-28A, CA_1A-38A, CA_1C, CA_3A-7A, CA_3A-8A, CA_3A-20A, CA_3A-28A, CA_3A -32A, CA_3A-38A, CA_3C, CA_7A-7A, CA_7A-8A, CA_7A-20A, CA_7A-28A, CA_7A-32A, CA_7C, CA_20A-32A, CA_20A-38A, CA_38C

    - (4G) 3CA: CA_1A-3A-7A, CA_1A-3A-8A, CA_1A-3A-20A, CA_1A-3C, CA_1A-7A-20A, CA_1A-7C, CA_3A-7A-8A, CA_3A-7A-20A , CA_3A-7A-28A, CA_3A-7A-38A, CA_3A-20A-32A, CA_3C-7A, CA_3C-20A, CA_7A-20A-38A
  • #3 17828659
    sudszai
    Level 2  
    Posts: 3
    Rate: 5
    Unfortunately, I could only use this router.
    So I understand that other combinations than 800 + 1800 he will not handle?
  • #4 17828770
    internick
    Level 36  
    Posts: 3081
    Help: 273
    Rate: 552
    Inter-band: B3 + B7, B3 + B20, B7 + B20, B7 + B8, B3 + B8, B1 + B20, B1 + B8, B20 + B32

    According to the above, it will handle 2100 + 800.
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  • #5 17831365
    sudszai
    Level 2  
    Posts: 3
    Rate: 5
    b3 + b7 doesn't work

    Added after 1 [minutes]:

    and nearby I also have a bts with 2600 with which I can normally connect but the antenna on the roof is not directed at it
  • #6 17831452
    matek451
    Level 43  
    Posts: 31046
    Help: 4313
    Rate: 5707
    B525 supports LTE1800 + 800 and LTE2100 + 800 aggregations and you will use them from BTS NetWorks Karolina. In the LTE1800 + 800 aggregation, the LTE1800 band is basic and you have the correct signal parameters on it, the Cybertech antenna at 800MHz transfers only the signal point to the outside. But in general, the LTE800 band is usually loaded, it probably is for you and it does not contribute much to aggregation with LTE1800 in relation to the LTE1800 itself. These three BTSs in Góra Kalwaria have 4 LTE bands with LTE2600, so set the antenna to the one you are closest to and force LTE2600, then LTE2600 + 1800 and LTE2600 + 800 and check how it works. Show screenshots of them and speedtests.
    Helpful post? Buy me a coffee.
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  • #7 17840714
    sebol1488
    Level 9  
    Posts: 54
    Rate: 8
    Hello. I have a similar problem, so I will connect to the topic. I have internet in t mobile. Antenna atk504. I checked out the b525 router to test aggregations. I have the antenna directed at the mast in Sianów Dworcowa 56 (8km to the transmitter), and it connects to the 1800 band and I force aggregation 1800 + 800. The problem with speedtest shows all the time a single speed for 1800, i.e. about 25Mb / s. When I set the router to lte 800, it shows me a speedtest of around 20Mb / s. With this, when I change to lte 800 solo it connects to another bts. In Sianów, at the railway station, from what I have seen is lte 800, 1800, 2600, but 2600 I do not get it. Is there any way to correct this DL in 1800 + 800 aggregation?
  • #8 17840746
    BikeBarian
    Level 24  
    Posts: 598
    Help: 37
    Rate: 122
    In the 1800 + 800 aggregation you will not increase the speed because, as you wrote on LTE 800, you connect to another transmitter, so from this transmitter you have 1800 you can not catch the 800 signal, so there is no aggregation.
  • #9 17841039
    matek451
    Level 43  
    Posts: 31046
    Help: 4313
    Rate: 5707
    In Orange, you will not use any aggregation of LTE bands because in Sianów BTS only LTE1800Networks, LTE800 is on BTS Karniszewice. Orange is not a Play that has phase synchronization and allows aggregation of LTE bands from different BTSs. The fact that only Play with you is able to provide LTE-A, you already know. in Orange you have to wait for the modernization of the surrounding BTSs and the addition of other LTE bands on them.
    Helpful post? Buy me a coffee.
  • #10 17841139
    sebol1488
    Level 9  
    Posts: 54
    Rate: 8
    I have T mobile. The lte 800 is also on the same bts, but when I choose the solo lte 800, it connects with karnieszewicami because there is a stronger signal
  • #11 17841201
    matek451
    Level 43  
    Posts: 31046
    Help: 4313
    Rate: 5707
    How did you confirm that T-Mobile LTE800 works on any NetWorks BTS in Sianów? ATK-504 has a horizontal radiation angle of about 60 degrees, so they can catch LTE800 from Karniszewice, combine and set the antennas so that they do not catch Karniszewice, it can be difficult and you will not succeed with Dworcowa, as LTE800 is there. Overall, the fight for LTE800 from Sianów (if it works) or aggregation with it is highly questionable.
    Helpful post? Buy me a coffee.
  • #12 17842591
    sebol1488
    Level 9  
    Posts: 54
    Rate: 8
    On btsearch.pl it shows that there is lte 800, 1800, 2600 at the station, and in the huawei manager it shows me the 800 + 1800 band and the lte + network mode, but the speed is the same as on 1800 solo.
    Bts from the chimney in Karnieszewice is on the line towards the station, so it would be difficult to set the antenna so that it would not catch Karnieszewic
  • #13 17842713
    matek451
    Level 43  
    Posts: 31046
    Help: 4313
    Rate: 5707
    LTE1800NW is confirmed at Dworcowa. What does Hmanager look like when forcing LTE1800 from LTE800 to B525, show the screen.
    Helpful post? Buy me a coffee.
  • #16 17842857
    sebol1488
    Level 9  
    Posts: 54
    Rate: 8
    On the phone at the entrance to the hayfield from the side of Karnieszewice I get about 130 Mb / s. The entrance is located between the mast at the station and the chimney on the Slowacki street, so I do not know what kind of connection I have, because the phone is an iPhone x, so I cannot check it. I do not exclude that the speed may result from the aggregation of bands in the phone
  • #17 17842887
    matek451
    Level 43  
    Posts: 31046
    Help: 4313
    Rate: 5707
    It is also possible that BTS Dworcowa is modernized and other LTE bands also operate on it. NetWorks has modernized the network in northern Poland and now each of the LTE800 (10) MHz partners, own LTE1800 also at 10MHz, LTE2100 (10MHz) and often LTE2600 at 15MHz, have to be checked in many locations.
    Helpful post? Buy me a coffee.
  • #18 17843271
    sebol1488
    Level 9  
    Posts: 54
    Rate: 8
    In that case, I can find a moment to fly with the router to a nearby store, connect it and test it. I will let you know about the effects. Thanks for the explanation
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  • #19 17843274
    internick
    Level 36  
    Posts: 3081
    Help: 273
    Rate: 552
    sebol1488 wrote:
    On the phone at the entrance to the hayfield from the side of Karnieszewice I get about 130 Mb / s. The entrance is located between the mast at the station and the chimney on the Slowacki street, so I do not know what kind of connection I have, because the phone is an iPhone x, so I cannot check it. I do not exclude that the speed may result from the aggregation of bands in the phone


    The code worked for iOS v3: * 3001 # 12345 # * and "Call me",
    Then XSignal appeared: http://www.xsignal.org/

    Whether it will show aggregation I do not know.
  • #20 20190658
    TAGBA
    Level 11  
    Posts: 201
    Help: 1
    Rate: 85
    Hi In my case, will it be possible to improve the signal parameters for the 1800 + 800 bands after installing the external antenna? LTE huawei b525 router

    Network and transmitter T-Mobile (26002) ID: 22150. In a straight line to the transmitter 2.3 km



    Measurement:
    800Mhz
    Huawei B525 LTE: Band Aggregation 1800+800 Speed Issues, Orange Network, B315 Comparison Huawei B525 LTE: Band Aggregation 1800+800 Speed Issues, Orange Network, B315 Comparison

    1800Mhz
    Huawei B525 LTE: Band Aggregation 1800+800 Speed Issues, Orange Network, B315 Comparison Huawei B525 LTE: Band Aggregation 1800+800 Speed Issues, Orange Network, B315 Comparison

    1800 + 800
    Huawei B525 LTE: Band Aggregation 1800+800 Speed Issues, Orange Network, B315 Comparison Huawei B525 LTE: Band Aggregation 1800+800 Speed Issues, Orange Network, B315 Comparison
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Topic summary

✨ The discussion revolves around issues with LTE speed and band aggregation using the Huawei B525 router on the Orange network. Users report difficulties achieving optimal speeds despite having access to multiple LTE bands (800, 1800, and 2100). The B525 supports LTE1800 + 800 and LTE2100 + 800 aggregations, but users experience limited speed improvements, often matching or falling short of previous setups with the B315 router. Factors affecting performance include network congestion on the LTE800 band and the inability to aggregate bands from different base transceiver stations (BTS). Recommendations include adjusting antenna direction towards the nearest BTS and testing different band combinations to optimize speed.
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FAQ

TL;DR: If your Huawei B525 on Orange/T‑Mobile only aggregates 1800+800, note many sites run 4 LTE bands; "B525 supports LTE1800 + 800 and LTE2100 + 800 aggregations." Aim the antenna at LTE2600 and test CA to improve speed. [Elektroda, matek451, post #17831452]

Why it matters: This FAQ helps B525 owners fix slow LTE‑A by picking workable CA combos, aiming antennas correctly, and setting realistic expectations.

Quick Facts

What LTE band combos does Huawei B525 actually support for carrier aggregation?

B525 supports several inter‑band 2CA pairs. Confirmed working combos include B3+B7, B3+B20, B7+B20, B7+B8, B3+B8, B1+B20, and B1+B8. It can also handle 2100+800 (B1+B20). Use a band‑lock app to test each pair at your location. Tower support still determines actual CA. [Elektroda, internick, post #17828770]

Why can’t I force 1800+2100 CA even if the mast has both bands?

Many sites do not enable that specific CA combination. As one expert noted, “99% of it does not support this combination.” A router with broader CA support, like Huawei B715, can help if the tower enables those combos. Always verify the site’s CA matrix before troubleshooting devices. [Elektroda, internick, post #17828308]

Does 1800+800 CA increase download speed on B525?

Not always. On B525, LTE1800 is the primary band for 1800+800, and LTE800 often adds little due to load. “LTE800 band is usually loaded.” If LTE800 is congested, speeds may match LTE1800‑only results. Try LTE2600 or 2600+1800 where available for better throughput. [Elektroda, matek451, post #17831452]

Why does 1800+800 show in the manager but speed equals 1800 only?

If LTE800 comes from a different transmitter than LTE1800, aggregation will not engage. Your router may display the bands, but traffic stays on LTE1800 alone. Align the antenna so both bands come from the same BTS. Then retest CA performance. [Elektroda, BikeBarian, post #17840746]

Can Orange or T‑Mobile aggregate bands from two different masts?

No. Orange/T‑Mobile (NetWorks) do not support cross‑BTS aggregation. Play is the only operator in the thread noted to sync bands across sites. For Orange/T‑Mobile, ensure both CA bands originate from the same BTS to achieve LTE‑A. [Elektroda, matek451, post #17841039]

How should I aim my antenna to leverage LTE2600 and CA?

Point the antenna at the nearest BTS carrying LTE2600. Then test LTE2600 alone, followed by 2600+1800 and 2600+800. In Góra Kalwaria, three BTS have 4 LTE bands, so targeting those improves CA options. Capture screenshots and run speed tests for each lock. [Elektroda, matek451, post #17831452]

How do I test and compare CA combos on the B525?

Use your band‑lock app and run this quick check:
  1. Lock LTE2600 only and run a speed test.
  2. Lock LTE2600+1800 and retest.
  3. Lock LTE2600+800 and retest, then compare results. Record RSRP/RSRQ/SINR and speeds for each step to decide the best setup. [Elektroda, matek451, post #17831452]

Which app can I use to lock bands on Huawei routers?

HManager (Huawei Manager) is commonly used to force specific LTE bands on B525. It lets you lock LTE1800 or LTE800 and observe changes. Capture screenshots of your settings and corresponding performance for clarity. This helps diagnose CA behavior at your site. [Elektroda, matek451, post #17842713]

Why does my ATK‑504 catch LTE800 from Karnieszewice instead of Dworcowa?

The ATK‑504 has about a 60° horizontal beam, so it can capture signals off‑axis. With Karnieszewice in line, LTE800 may dominate and pull the router to that site. “Overall, the fight for LTE800… is highly questionable.” Adjust aim to limit that pickup. [Elektroda, matek451, post #17841201]

I saw ~130 Mb/s on my phone near Sianów; what does that imply?

Your area might have been modernized with more LTE bands and wider channels. NetWorks upgrades often include LTE2100 and LTE2600, enabling higher throughput with CA. Check if the site now broadcasts these bands, then test 2600+1800 on your router. Phones with richer CA support can show bigger gains. [Elektroda, matek451, post #17842887]

Will upgrading to Huawei B715 help with more combos and higher speeds?

Yes, B715 supports more 2CA pairs and several 3CA combinations. That broader support can raise speeds when the tower enables those combos. If your current site lacks certain CA pairs, the upgrade will not help until the BTS supports them. Review the site’s CA and test before buying. [Elektroda, internick, post #17828308]

Can the B525 do 2100+800 (B1+B20) on Orange/T‑Mobile?

Yes. Inter‑band support includes B1+B20 on the B525. As noted, “According to the above, it will handle 2100 + 800.” Use your manager app to lock the pair and verify performance. Ensure both bands come from the same BTS. [Elektroda, internick, post #17828770]

Will an external antenna improve 1800+800 CA performance?

An external antenna can improve signal, but gains may be limited by LTE800 load. The Cybertech at 800 MHz mainly relocates the signal point outside. If LTE800 is congested, CA adds little over LTE1800 alone. Consider targeting LTE2600 if available. [Elektroda, matek451, post #17831452]

btsearch shows 800/1800/2600 on my site, but I can’t catch 2600—why?

Aggregation or locking with 2600 fails if your antenna is not aimed at the 2600‑equipped BTS. Even nearby, misalignment can block a stable 2600 lock. Re‑aim toward the 2600 site before testing B3+B7 or 2600‑based CA. [Elektroda, sudszai, post #17831365]
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