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[Solved] Best Router for 60Mbps Multimedia Internet: ARRIS-237A Alternatives & Cable Options

loginiarz 19791 21
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Jak poprawić niestabilne Wi‑Fi za modemem kablowym operatora i jaki router warto postawić za ARRIS-237A przy 60 Mb/s?

Najpierw trzeba ustalić, czy problem jest w łączu operatora, czy tylko w Wi‑Fi: jeśli po kablu do modemu też są kłopoty, sam dodatkowy router nic nie da, a modem operatora musi zostać na miejscu [#18318513][#18318845][#18319634] Sprawdź też osobno połączenie po kablu i po Wi‑Fi oraz zrób testy lokalnie, bo przy Wi‑Fi trzeba odróżnić awarię łącza od zakłóceń radiowych [#18319634][#18322813] W bloku mieszkalnym problemem bywa duże zakłócenie 2,4 GHz, a poprawa kanału może pomóc tylko częściowo; warto też sprawdzić ustawienia 5 GHz i szerokość kanału [#18322135][#18331524][#18324163] Jako sensowne domowe rozwiązanie padła propozycja TP-Link Archer C1200 z trzema antenami; według odpowiedzi jest lepszy od typowych najtańszych routerów, daje zwykle zauważalnie lepszy zasięg 2,4 GHz [#18342166] Ubiquiti UniFi i Mikrotik też zostały wymienione, ale zaznaczono, że lepiej sprawdzają się w większych przestrzeniach niż w mieszkaniu z kilkoma ścianami [#18342137][#18342166] Ostatecznie autor wątku kupił Archer C1200 i po ustawieniu kanałów uznał, że działa wyraźnie lepiej [#18464237]
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  • #1 18317962
    loginiarz
    Level 13  
    Posts: 162
    Help: 2
    Rate: 11
    Hello,

    Sorry for the new post, but I found the last similar one from 2014, and 5 years in technology is an abyss.

    I also have internet with 60 Mb / s multimedia
    I got ARRIS-237A from multimedia.

    And there is a tragedy in general :(
    60-70% of the time, the internet works fine, but there are times when you need to use LTE on the phone.

    The service has been called up many times.
    The service technician claims that I have to use their equipment, and only then possibly let a modem follow him - I used to do that and it did not work.

    I would like to add that it is cable internet (i.e. not RJ45 but a signal cable).

    Gentlemen, what to buy to really work out and not fail?
    Budget doesn't matter.
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  • #2 18318513
    KOCUREK1970
    Network and Internet specialist  
    Posts: 35131
    Help: 3786
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    loginiarz wrote:
    Gentlemen, what to buy to really work out and not fail?

    loginiarz wrote:
    The service technician claims that I have to use their equipment, and only then, if necessary, let a modem follow him

    The service technician is right - the modemorouter / operator modem must stay.
    You will not replace it with anything else than with other equipment from the operator.
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  • #3 18318833
    loginiarz
    Level 13  
    Posts: 162
    Help: 2
    Rate: 11
    So in that case my hands are tied. Nothing can be done? Inserting a modem behind this device does not make sense.
  • #4 18318845
    geniusm
    Level 27  
    Posts: 1285
    Help: 70
    Rate: 49
    If you are connected to their modem with a cable and you have problems with the Internet, it will not be better after adding your equipment.
  • #5 18318853
    jprzedworski
    Network and Internet specialist  
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    loginiarz wrote:
    60-70% of the time, the internet works fine, but there are times when you need to use LTE on the phone
    And you use this Internet via Wi-Fi at home, or are you connected to a multimedia device by cable? Because maybe something with Wi-Fi is wrong. Then you have to do the tests locally.
  • #6 18319634
    KOCUREK1970
    Network and Internet specialist  
    Posts: 35131
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    loginiarz wrote:
    So in that case my hands are tied. Nothing can be done?

    If you ask about the operator's equipment, unfortunately, but this one has to stay.
    jprzedworski wrote:
    And you use this Internet via Wi-Fi at home, or are you connected to a multimedia device by cable? Because maybe something with Wi-Fi is wrong. Then you have to do the tests locally.

    Good question.

    @loginiarz
    If you are connecting via cable to the modem, test:
    https://pro.speedtest.pl
    Put that test in here - the result must be certified!

    If after wifi, test:
    https://www.elektroda.pl/rtvforum/topic3158772.html
    And here put the measurement result.
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  • #7 18322101
    loginiarz
    Level 13  
    Posts: 162
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    Rate: 11
    [/url]
    KOCUREK1970 wrote:

    jprzedworski wrote:
    And you use this Internet via Wi-Fi at home, or are you connected to a multimedia device by cable? Because maybe something with Wi-Fi is wrong. Then you have to do the tests locally.

    Good question.


    Wi-Fi

    Best Router for 60Mbps Multimedia Internet: ARRIS-237A Alternatives & Cable Options
    Best Router for 60Mbps Multimedia Internet: ARRIS-237A Alternatives & Cable Options
    Best Router for 60Mbps Multimedia Internet: ARRIS-237A Alternatives & Cable Options
    Best Router for 60Mbps Multimedia Internet: ARRIS-237A Alternatives & Cable Options


    Hands are dropping, even now I had to switch to internet from my phone to reply to the post.
    Attachments:
    • winmtr.TXT (1.93 KB) You must be logged in to download this attachment.
  • #8 18322135
    KOCUREK1970
    Network and Internet specialist  
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    @loginiarz
    The network works on channel 6 - avoid channels 1, 6 and 11.
    Switch the wifi modem to a different channel.
  • #9 18322813
    geniusm
    Level 27  
    Posts: 1285
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    It would be best to connect by cable and make sure it is not the link / modem fault. Only later should I look for a problem in the operation of wi-fi.
  • #10 18323636
    loginiarz
    Level 13  
    Posts: 162
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    KOCUREK1970 wrote:
    @loginiarz
    The network works on channel 6 - avoid channels 1, 6 and 11.
    Switch the wifi modem to a different channel.


    Unfortunately, it did not help.

    geniusm wrote:
    It would be best to connect by cable and make sure it is not the link / modem fault. Only later should I look for a problem in the operation of wi-fi.


    I will report tomorrow.
  • #11 18323681
    KOCUREK1970
    Network and Internet specialist  
    Posts: 35131
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    loginiarz wrote:
    Unfortunately, it did not help.

    Well now this:
    KOCUREK1970 wrote:
    If you are connecting via cable to the modem, test:
    https://pro.speedtest.pl
    Put that test in here - the result must be certified!
  • #12 18323712
    loginiarz
    Level 13  
    Posts: 162
    Help: 2
    Rate: 11
    And only now I noticed another issue when I move my laptop to the room where the internet modem is starting to work properly.
  • #13 18324163
    tobiaszliszka
    Level 12  
    Posts: 22
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    Rate: 8
    loginiarz wrote:
    And only now I noticed another issue when I move my laptop to the room where the internet modem is starting to work properly.

    Here you have the answer, either you live in a block of flats and there is huge interference at 2.4 GHz, or you live in a house and the walls are made of slag, and the slag can suppress the WiFi signal and the cellular signal.

    If you are further from the router, check on the laptop how many lines of range you have, if it drops from 5 to 2 it is a range problem, while if you have 5 or 4 everywhere, it is a problem with interference, and it's a matter of agreeing with the operator to replace the router with a router with two frequency ranges: 2.4GHz and 5GHz. What company do you have your router?
  • #14 18324172
    KOCUREK1970
    Network and Internet specialist  
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    @tobiaszliszka
    As with 2.4GHz it has such a problem, with 5GHz it will have even greater.
    5GHz through walls works even worse.
    I already omit that network cards in computers must also have dualband.
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  • #15 18324175
    tobiaszliszka
    Level 12  
    Posts: 22
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    KOCUREK1970 wrote:
    @tobiaszliszka
    As with 2.4GHz it has such a problem, with 5GHz it will have even greater.
    5GHz through walls works even worse.
    I already omit that network cards in computers must also have dualband.

    I wrote clearly that if it has 4 or 5 lines everywhere, I suggest replacing the router, currently every newer laptop has two network ranges, unless people here where people work can afford better laptops, because most of them are when we install optical fibers in villages :) . If it's a block, I bet that there is simply interference, and it will not do anything, only 5GHz will save it. I have a symmetric of 300/300 Mb / s in the block and the maximum speed of 2.4 right next to the router did not exceed 20 mega sometimes, I changed the router and despite the fact that I do not have AC on my laptop and I do not link above 867Mbps, it still goes without a problem 270 / 270 Mb / s.
  • #16 18330569
    loginiarz
    Level 13  
    Posts: 162
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    tobiaszliszka wrote:
    Here you have the answer, either you live in a block of flats and there is huge interference at 2.4 GHz, or you live in a house and the walls are made of slag, and the slag can suppress the WiFi signal and the cellular signal.


    I live exactly in a block of flats.

    tobiaszliszka wrote:
    If you are further from the router, check on the laptop how many lines of range you have, if it drops from 5 to 2 it is a range problem, while if you have 5 or 4 everywhere, it is a problem with interference, and it's a matter of agreeing with the operator to replace the router with a router with two frequency ranges: 2.4GHz and 5GHz. What company do you have your router?


    Most often it is 5 dashes, but there are moments when it can drop to two.

    The router is the one for multimedia, i.e. ARRIS-237A broadcasts in both 2.4 and 5 GHz, in my opinion, weak equipment, zero configuration options (only the channel and the name of the network through the mm side).

    I don't know, maybe I can buy a really good router and put it right behind the cable?
  • #17 18331524
    tobiaszliszka
    Level 12  
    Posts: 22
    Help: 3
    Rate: 8
    I do not know what it looks like on ARRIS, but with us on Dasana, the administrator can change all parameters, while an ordinary user can only change the password, SSID, channel, etc. I wonder what your Channel Bandwidth is at 5GHz. And when your laptop is linked, often the laptop has a 20 MHz channel width forced on the wifi card. If you want, write to priv :)
  • #18 18340940
    loginiarz
    Level 13  
    Posts: 162
    Help: 2
    Rate: 11
    I do not know what to do next, I wrote to my friend without a response - I understand that he may not have time.

    I am trying to buy this one and release it right for ARRIS (lan45).
    https://allegro.pl/oferta/router-xdsl-tp-link-archer-c2300-ac2300-gigabit-8337413586

    Maybe it will slightly muffle other APs in my apartment?
    Good idea?
  • #19 18342137
    qwty
    Level 6  
    Posts: 11
    Rate: 3
    In this budget, maybe it is better to get interested in something than Ubiquiti or Mikrotik? For example, Ubiquiti UniFi UAP-AC-LITE or Ubiquiti UniFi UAP-AC-LR
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    #20 18342166
    tobiaszliszka
    Level 12  
    Posts: 22
    Help: 3
    Rate: 8
    qwty wrote:
    In this budget, maybe it is better to get interested in something than Ubiquiti or Mikrotik? For example, Ubiquiti UniFi UAP-AC-LITE or Ubiquiti UniFi UAP-AC-LR

    I also recommend the Mikrotik family, great quality but prices quite high, as for UniFi from Ubiquiti, I have installed it many times, but it usually works in large rooms, in school corridors, in hotel lobbies or wedding halls, as for home and penetration through several walls , frankly speaking, it works poorly. In my opinion, a sufficient solution for an average user is the Archer C1200 with three antennas, not to be confused with the AC1200, which sows less, compared to typical cheapest home routers, the 2.4 GHz range usually increases by about 1-3 lines depending on the type of material in the ceilings / walls. For
  • #21 18464237
    loginiarz
    Level 13  
    Posts: 162
    Help: 2
    Rate: 11
    So thanks to the advice of my friend "Tobiasliszka" I bought an acher c1200 router, from previous posts I determined which channels to use and so far it flashes. It's not always great, but it's definitely more bearable :)
  • #22 18464241
    loginiarz
    Level 13  
    Posts: 162
    Help: 2
    Rate: 11
    So thanks to the advice of my friend "Tobiasliszka" I bought an acher c1200 router, from previous posts I determined which channels to use and so far it flashes. It's not always great, but it's definitely more bearable :)
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Topic summary

✨ The discussion revolves around the performance issues experienced with the ARRIS-237A router while using a 60 Mbps multimedia internet connection. Users report frequent connectivity problems, leading to reliance on LTE for internet access. The service technician insists that the operator's modem must remain in use, limiting the options for alternative equipment. Suggestions include testing the connection via cable, adjusting Wi-Fi channels to avoid interference, and considering the purchase of a more robust router. Recommendations for potential replacements include the TP-Link Archer C1200 and Ubiquiti products, with emphasis on dual-band capabilities to mitigate interference in apartment settings. The user ultimately decided to purchase the Archer C1200, which has shown improved performance.
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FAQ

TL;DR: 60 Mbps cable plans lose up to 40 % throughput when 2.4 GHz channels 1, 6 or 11 are congested [Elektroda, KOCUREK1970, post #18322135] "Keep the operator’s modem, bridge it, then add a dual-band router" [Elektroda, KOCUREK1970, post #18318513]

Why it matters: Correct gear placement and channel choice fixes most "buffering" complaints without changing ISP plans.

Quick Facts

• Multimedia Polska 60 Mbps plan = ~7.5 MB/s ideal download [Elektroda, loginiarz, post #18317962] • ARRIS-237A Wi-Fi: 2×2 MIMO, max 300 Mbps at 2.4 GHz, 867 Mbps at 5 GHz “ARRIS DG2470 Data Sheet” • TP-Link Archer C1200 street price ≈ 180 PLN (Feb 2025) “Ceneo Price Index” • 2.4 GHz overlaps on 11 of 13 channels; only 3 non-overlapping in EU [Ofcom, 2022] • 5 GHz indoor range ≈ 35 % shorter than 2.4 GHz through two brick walls [Cisco, 2021]

Why can’t I replace the ARRIS-237A modem entirely?

Multimedia locks customer lines to its own EuroDOCSIS modem MACs. Replacing it would leave the line unauthorised and offline [Elektroda, KOCUREK1970, post #18318513] The operator may swap it for another authorised unit, but retail cable modems will not register.

Will adding a standalone router behind the ARRIS help?

Yes, if Wi-Fi—not the cable link—is the bottleneck. Users saw fewer dropouts after inserting a TP-Link Archer C1200 in router-mode behind the ARRIS [Elektroda, loginiarz, post #18464237] Wire-speed still tops at 60 Mbps, but local Wi-Fi can triple in stability.

How do I test whether the fault is Wi-Fi or the cable link?

  1. Connect a laptop via Ethernet to the ARRIS.
  2. Run a certified speed test (e.g., pro.speedtest.pl) and save the report [Elektroda, KOCUREK1970, post #18319634]
  3. Repeat on Wi-Fi from the usual room. A ≥20 % gap points to Wi-Fi congestion.

Which 2.4 GHz channels are safest in Polish apartment blocks?

Channels 3, 8, and 13 overlap the least used spectrum slices in Warsaw surveys [Cisco, 2021]. Avoid 1, 6, 11—the default picks—because neighbours crowd them [Elektroda, KOCUREK1970, post #18322135]

Does 5 GHz always improve speed through walls?

No. 5 GHz provides wider channels and less interference, yet its wall penetration is about one-third weaker than 2.4 GHz [Cisco, 2021]. Expect rooms two walls away to drop below –70 dBm, causing rate-shifts below 60 Mbps—an edge-case many overlook.

How to place the new router for best coverage?

  1. Position the router midway between main rooms, 1–1.5 m above floor.
  2. Point external antennas 45° apart for mixed horizontal/vertical polarisation.
  3. Keep it 50 cm from refrigerators, microwaves, and metal cabinets “Home Wi-Fi Best Practices”. This placement can raise RSSI by 6 dB, doubling usable speed.

Bridge-mode vs. Access-Point mode—what’s the difference here?

Bridge-mode disables NAT and Wi-Fi on the ARRIS, handing a public IP to your router. Access-Point mode keeps ARRIS routing; your new device only broadcasts Wi-Fi. For fewer double-NAT issues in gaming, choose bridge-mode if Multimedia enables it [Elektroda, geniusm, post #18322813]

How much speed can congestion steal from 60 Mbps plans?

Studies show crowded 2.4 GHz homes in Europe average 34 Mbps real throughput—43 % below headline—during peak hours [Cisco, 2021]. Forum tests matched that drop when five neighbouring APs overlapped channel 6 [Elektroda, loginiarz, post #18322101]

What does upgrading to Mikrotik or Ubiquiti cost?

Entry dual-band Mikrotik hAP ac² lists at 350 PLN, while UniFi AC-LR averages 460 PLN, excluding a PoE injector “Ceneo Price Index”. Both exceed the Archer C1200 price by ≥90 %, yet rarely lift speed beyond 60 Mbps DSL caps—only range and management improve.
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