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Replacing EPC3925 with Technicolor TC7230: Understanding 2.4G & 5G Networks, Modem Comparison

sebaele22 12027 12
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  • #1 16872064
    sebaele22
    Level 30  
    Posts: 3475
    Help: 2
    Rate: 512
    Hello, today the provider has changed my modem from EPC3925 to Technicolor TC7230 due to the continuous disconnection.
    The laptop only searches for 2.4G network and 2.4G as well as 5G smartphones.
    I would like to ask what exactly 2.4G and 5G mean.
    On the old modem I was able to check the parameters on it no longer :-( .
    Is this a better model from the previous one?

    greetings
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  • #2 16872130
    KOCUREK1970
    Network and Internet specialist  
    Posts: 35131
    Help: 3786
    Rate: 5326
    sebaele22 wrote:
    I would like to ask what exactly 2.4G and 5G mean

    Technology for broadcasting wifi networks.
    sebaele22 wrote:
    Is this a better model from the previous one?

    It's only his debuts - he's in infancy.
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  • #3 16872141
    sebaele22
    Level 30  
    Posts: 3475
    Help: 2
    Rate: 512
    I understand, please write to me on what band is best to connect or 2.4G or 5G? What channels are these channels active on?
    My earlier modem was working on channels 1 through 9 also confirmed this provider.
  • #4 16872169
    KOCUREK1970
    Network and Internet specialist  
    Posts: 35131
    Help: 3786
    Rate: 5326
    sebaele22 wrote:
    on which band is best connected, 2.4G or 5G?

    Depending on what network equipment you have (computers, cells, etc.) - it probably gives you a duallband.
    But through the account in Vectra you set the scope of work and the channel.
    sebaele22 wrote:
    What channels are these channels active on?

    Wi-Fi operates in the frequency range from 2400 to 2485 MHz (2.4 GHz) or 4915 to 5825 MHz (5 GHz).
    In which channels you have on the photo:

    Replacing EPC3925 with Technicolor TC7230: Understanding 2.4G & 5G Networks, Modem Comparison
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  • #5 16872221
    sebaele22
    Level 30  
    Posts: 3475
    Help: 2
    Rate: 512
    Thanks to the Internet, you can connect via laptops, smartphones and Samsung TV.
    I would like to configure all this to make everything work well and I do not know whether to connect to 2.4 or 5G.

    Added after 28 [minutes]:

    The HP 250 G4 laptop does not catch 5G 2.4G only and the speedtest transfer is between 35-40 Mbps and on smartphones I connected to 5G and speedtest shows between 60-75 Mbps.
  • #6 16872327
    KOCUREK1970
    Network and Internet specialist  
    Posts: 35131
    Help: 3786
    Rate: 5326
    sebaele22 wrote:
    I would like to set it all up well

    You can configure only at most the modemorouter's work channel in the Vectra client panel.
    sebaele22 wrote:
    I do not know whether to connect to 2.4 or 5G.

    The equipment decides about it.
    sebaele22 wrote:
    The HP 250 G4 laptop does not catch 5G 2.4G only and the speedtest transfer is between 35-40 Mbps and on smartphones I connected to 5G and speedtest shows between 60-75 Mbps.

    Previously it was so much too?
    The wifi network 2.4 GHz is more noisy (more networks) and the result is a different one (it also depends on what exactly the wifi network card has this laptop).
  • #7 16872332
    sebaele22
    Level 30  
    Posts: 3475
    Help: 2
    Rate: 512
    Before, it was slightly better at around 50 Mbps, which means I do not know what's in the laptop :-(
  • #8 16872361
    KOCUREK1970
    Network and Internet specialist  
    Posts: 35131
    Help: 3786
    Rate: 5326
    sebaele22 wrote:
    Previously, it was slightly better around 50 Mbps,

    Other equipment, other radio in it, internal arrangement of antennas, and propagation (propagation) of the radio wave are different, and maybe someone else has its own network on the same channel as you - channels 1.6 and 11 include everything from the machine.
    Install inSSID v2 / Home and insert the result of the network measurement here.
    sebaele22 wrote:
    as to the card in the laptop, I do not know what's up there

    There are wifi card data in the device manager, there is also the ID of this card.

    Here, look what you can change / do in this Technicolor:
    https://ebok.vectra.pl/#/login

    Login passwords directly to your modemorouter do not get from Vectra.
  • #9 16872404
    sebaele22
    Level 30  
    Posts: 3475
    Help: 2
    Rate: 512
    Only I can change the operating mode of the device which I set to the router and the wireless channel set to 6.

    Added after 3 [minutes]:

    As for the program, I do not know how to run it, you have to enter some keys :-(
  • #10 16873287
    Nagus
    Level 27  
    Posts: 757
    Help: 99
    Rate: 97
    And that's why you had to install inSSIDer v.2 (the last free, next ones are paid). Similar programs are also Acrylic WiFi Home (at least current).
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  • #12 18053579
    Robinson74

    Level 16  
    Posts: 890
    Rate: 158
    I just got this modem today.
    KOCUREK1970 wrote:
    Depending on what network equipment you have (computers, cells, etc.) - it probably gives you a duallband.
    But through the account in Vectra you set the scope of work and the channel.

    Can this TC7230 modem AT THE SAME TIME work at 2.4GHz and 5GHz?
    Is this impossible?

    And one more thing. If you want to connect your own Wi-Fi router, it is necessary to change the Technicolor tc7230 operating mode to the bridge?
    And your own router connected to this one from Vectra is able to download 300 Mbps download and 20 Mbps upload and wireless network, provided I use the appropriate router?
    Company Account:
    Studio Języka Angielskiego
    Piastowska 18, Krosno, 38-400
  • #13 18053996
    KOCUREK1970
    Network and Internet specialist  
    Posts: 35131
    Help: 3786
    Rate: 5326
    Robinson74 wrote:
    Can this TC7230 modem work at 2.4GHz and 5GHz at the same time?
    Is this impossible?

    Factory is a duallband - but the operator can do it differently here.
    Robinson74 wrote:
    If you want to connect your own Wi-Fi router, it is necessary to change the Technicolor tc7230 operating mode to the bridge?

    You can still use DMZ but modem mode is the safest one.
    Robinson74 wrote:
    own router connected to it with Vectra is able to pull 300 Mbps download and 20 Mbps upload and wireless network, provided I use the appropriate router?

    The condition is LAN / WAN gigabit ports (1Gb).
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Topic summary

✨ The discussion revolves around the transition from the EPC3925 modem to the Technicolor TC7230 due to persistent disconnections. Users inquire about the differences between 2.4G and 5G networks, with emphasis on their respective frequency ranges (2.4 GHz: 2400-2485 MHz; 5 GHz: 4915-5825 MHz) and performance characteristics. The TC7230 is noted to support dual-band functionality, allowing simultaneous operation on both frequencies. Users express concerns about connection speeds, with the HP 250 G4 laptop only detecting the 2.4G network, while smartphones achieve higher speeds on the 5G network. Configuration options for channel settings are discussed, with recommendations to use tools like inSSIDer for network analysis. The necessity of switching the TC7230 to bridge mode for external router connections is also addressed.
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FAQ

TL;DR: “Wi‑Fi operates in the frequency range from 2400 to 2485 MHz … 4915 to 5825 MHz.” That’s 2.4 GHz vs 5 GHz; pick the band your devices support and tune channels for least congestion. [Elektroda, KOCUREK1970, post #16872169]

Why it matters: This FAQ helps Vectra users replacing an EPC3925 with a Technicolor TC7230 decide 2.4G vs 5G, set channels, and bridge to a better router.

Quick Facts

What do 2.4G and 5G mean on my TC7230?

They are Wi‑Fi bands. 2.4 GHz spans about 2400–2485 MHz and penetrates walls better. 5 GHz spans about 4915–5825 MHz and enables higher throughput with shorter range. “Wi‑Fi operates in the frequency range from 2400 to 2485 MHz … 4915 to 5825 MHz.” [Elektroda, KOCUREK1970, post #16872169]

Which band should I connect to: 2.4G or 5G?

Use 5 GHz for speed and low latency at short range. Use 2.4 GHz for reach and legacy devices. One expert noted the “2.4 GHz is more noisy,” so expect more interference there. Let each device pick the best band if both SSIDs are available. [Elektroda, KOCUREK1970, post #16872327]

Why can’t my HP 250 G4 laptop see the 5G network?

Some laptop Wi‑Fi adapters support only 2.4 GHz (802.11b/g/n single‑band). In the thread, an HP 250 G4 saw only 2.4G and tested 35–40 Mbps, while phones on 5G reached 60–75 Mbps. That reflects adapter capabilities and band differences. [Elektroda, sebaele22, post #16872221]

Can the Technicolor TC7230 broadcast 2.4 GHz and 5 GHz simultaneously?

Yes. The TC7230 is factory dual‑band. However, your ISP profile can enable or limit features. If you only see one SSID, contact Vectra support to confirm your device profile and band settings. [Elektroda, KOCUREK1970, post #18053996]

How do I change the Wi‑Fi channel on a Vectra‑supplied TC7230?

Use the Vectra client panel to set the band and channel; direct modem logins are not provided. If you can’t access advanced options, ask support to adjust the channel or enable self‑management. [Elektroda, KOCUREK1970, post #16872361]

Which 2.4 GHz channels are best to avoid overlap?

Select channels 1, 6, or 11. These non‑overlapping channels minimize adjacent‑channel interference and are the default starting points for tuning crowded 2.4 GHz environments. [Elektroda, KOCUREK1970, post #16872361]

What tools can I use to pick the cleanest channel?

Install inSSIDer v2 (last free) or Acrylic WiFi Home. How‑To: 1) Scan both bands. 2) Note SSID density and RSSI around your channel. 3) In Vectra’s panel, set to the least‑congested channel and retest. [Elektroda, Nagus, post #16873287]

Is the TC7230 better than the old EPC3925?

It’s newer, but effectiveness depends on ISP configuration and your environment. An expert remarked the model was still in its early days, implying firmware and profiles matter more than the badge. [Elektroda, KOCUREK1970, post #16872130]

Should I put the TC7230 in bridge mode when adding my own router?

Yes. Bridge mode avoids double NAT and gives your router the public IP. DMZ is possible, but bridge is the safer, cleaner approach for consistent routing and port control. [Elektroda, KOCUREK1970, post #18053996]

Can my own router deliver the full 300/20 Mbps plan over Ethernet and Wi‑Fi?

Over Ethernet, ensure the router’s WAN and LAN ports are gigabit (1 Gb). For Wi‑Fi, pair a modern dual‑band router with 5 GHz clients for higher real‑world throughput. [Elektroda, KOCUREK1970, post #18053996]

Why did my 2.4 GHz speed drop after the modem swap?

Different radios, antennas, and room layouts change propagation. Interference also varies by channel. As one expert noted, 2.4 GHz is crowded, so speeds often dip relative to 5 GHz. Try channels 1, 6, or 11 and rescan. [Elektroda, KOCUREK1970, post #16872327]

I can’t see the 5 GHz SSID—what’s the catch?

Two edge cases: Your device may be 2.4‑only, or the ISP profile disabled 5 GHz or dual‑band on the TC7230. Confirm band support per device, then ask Vectra to enable dual‑band if missing. [Elektroda, KOCUREK1970, post #18053996]

What’s the simplest way to optimize Wi‑Fi on this setup?

Three quick wins: 1) Use 5 GHz for capable devices. 2) On 2.4 GHz, set channel 1/6/11 after a scan. 3) If adding your router, switch TC7230 to bridge mode for clean routing. [Elektroda, KOCUREK1970, post #18053996]

Where do I manage the TC7230 if Vectra hid the modem UI?

Manage it via Vectra’s eBOK/client panel. Vectra does not provide direct modem/router login credentials, so changes happen through their portal or support. [Elektroda, KOCUREK1970, post #16872361]

How do I identify my laptop’s Wi‑Fi card and band support?

Open Device Manager, check the Network adapters section, and note the Wi‑Fi card model and IDs. Use that to confirm 5 GHz support before troubleshooting the router. [Elektroda, KOCUREK1970, post #16872361]
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