How to connect one Rostelecom set-top box to two TVs via Wi-Fi: A complete guide (2026)

Connecting one set-top box Rostelecom Connecting two TVs via Wi-Fi is a challenge faced by many interactive TV subscribers. Unlike a traditional HDMI connection, where the signal is transmitted to only one screen, wireless streaming requires additional devices and proper network configuration. The main difficulty is that standard set-top boxes RTK (For example, SML-282 or SML-482) do not support live streaming to multiple devices simultaneously. However, there are working schemes using Wi-Fi repeaters, TV boxes or functions Miracast/DLNA.

In this article, we'll cover all possible methods—from the simplest (using smart features on modern TVs) to advanced (purchasing additional equipment). You'll learn how to avoid video delays of more than 1 second, which routers handle streaming best, and why some set-top box models Rostelecom They fundamentally don't support screen mirroring. We'll also analyze the pros and cons of each method so you can choose the best option for your needs.

1. What connection methods exist: comparison of options

Before you begin setting up, it's important to understand which method is right for you. There are a total of 4 main ways Connect one set-top box to two TVs via Wi-Fi:

  • 📺 Using Smart TV with Miracast/DLNA support — if both TVs are modern (produced after 2018), they can receive a signal directly from the set-top box without additional devices.
  • 🔄 Wi-Fi repeater with client mode function — Suitable for older TVs without built-in Wi-Fi. The extender connects to the set-top box via cable and then retransmits the signal to the second TV.
  • 🖥️ TV box (Android, Apple TV, Xiaomi) — a universal solution that works even with set-top boxes Rostelecom Over 5 years old. Requires the purchase of an additional device (~3,000–10,000 rubles).
  • 🌐 Configuring a router in bridge mode (WDS) — a complex method for experienced users that allows you to create a separate network for a second TV.

Each of these methods has its limitations. For example, Miracast often suffers from audio lag, and Wi-Fi repeaters may reduce picture quality when the signal is weak. Below, we'll examine each option in detail so you can choose the best one.

📊 What kind of TV do you have?
Smart TV (with Wi-Fi and Miracast)
Regular TV (without smart features)
TV with Android TV
I don't know the model

2. Method 1: Screen mirroring via Miracast (for Smart TV)

If at least one of your TVs supports the technology Miracast (or Wi-Fi Direct), you can duplicate the console screen Rostelecom without additional devices. This method works on most Samsung, LG (With webOS), Sony Bravia and TVs with Android TV (For example, Xiaomi Mi TV or Philips With Google TV).

The main advantage of this method is minimal costs (no need to buy anything extra). However, there are some downsides:

  • ⏱️ Video delay — usually 0.5–1.5 seconds, which is critical for watching sports or games.
  • 🔊 Sound problems — sometimes the sound only comes through the main TV (this can be solved by setting it in the TV menu).
  • 📶 Wi-Fi requirements — the router must support the standard 802.11ac (or Wi-Fi 5) for stable transmission.

To set up mirroring via Miracast:

  1. On the console remote control Rostelecom press the button Menu → select SettingsWireless networksMiracast (or Wi-Fi Direct).
  2. On the TV you want to connect to, activate the Miracast receiving mode. For example, on Samsung This Source → Screen Mirroring, on LGScreen mirroring.
  3. Select your set-top box from the list of devices RTK and confirm the connection.
⚠️ Attention: On consoles Rostelecom SML-282 And SML-482 The Miracast feature may be disabled by default. To activate it, go to Service settings (access code - 0000 or 1234) and enable the option Wireless Display.

Check Miracast support on your TV (in the instructions or menu)

Update your Rostelecom set-top box firmware to the latest version

Connect both TVs to the same Wi-Fi network (2.4 GHz or 5 GHz)

Disable VPN and firewalls on your router-->

3. Method 2: Using a Wi-Fi repeater in client mode

If your second TV does not support Smart functions, but it has a port HDMI or AV, can be used Wi-Fi repeater with client mode (For example, TP-Link TL-WA850RE, Xiaomi Wi-Fi Repeater 2 or Mercusys MW300RE). This method allows you to "catch" the signal from the set-top box and transmit it to a second TV via an additional device.

Work scheme:

  1. Prefix Rostelecom connects to the main TV via HDMI.
  2. The Wi-Fi repeater connects to the set-top box via cable. Ethernet (if there is a port) or through USB adapter (for models without LAN).
  3. The repeater retransmits the signal to the second TV via Wi-Fi, where it is connected. TV box or set-top box with DLNA support.

Advantages of the method:

  • 💰 Low cost — a repeater will cost 1–3 thousand rubles.
  • 🔧 Easy setup - does not require deep knowledge of networks.
  • 📶 Signal Boosting — the repeater can be placed closer to the second TV for better reception.

Flaws:

  • 🎮 Delay up to 2 seconds - not suitable for online games.
  • 🔌 Additional wires - if the repeater is connected via Ethernet.
Repeater model Client mode support Max. speed (Mbps) Price (2026) Ethernet port
TP-Link TL-WA850RE Yes 300 ~1,200 rubles No
Xiaomi Wi-Fi Repeater 2 Yes (via firmware) 300 ~1,500 rubles No
Mercusys MW300RE Yes 300 ~900 rubles No
ASUS RP-N12 Yes 300 ~1,800 rubles Yes (1 port)

To configure the repeater in client mode:

  1. Plug the repeater into a power outlet near the set-top box. Rostelecom.
  2. Go to its web interface (usually at 192.168.0.254 or tplinkrepeater.net).
  3. Select the mode in the menu Client (or Universal Repeater).
  4. Connect the extender to your Wi-Fi network and save the settings.
  5. Connect the repeater to the set-top box with a cable Ethernet (if there is a port) or through USB-Wi-Fi adapter.
⚠️ Attention: If your extender does not have a port Ethernet, can be used USB-Wi-Fi adapter (For example, TP-Link TL-WN725N) to connect to the set-top box. However, in this case, video latency may increase to 2-3 seconds.

4. Method 3: Connecting via a TV box (Android, Apple TV, Xiaomi)

The most reliable, but also the most expensive method is to use additional TV box (For example, Xiaomi Mi Box S, Apple TV 4K or NVIDIA Shield). This method allows you to broadcast an image from a set-top box. Rostelecom to the second TV with minimal delay (0.2–0.5 sec.) and without loss of quality.

How does this work:

  1. Prefix Rostelecom connects to the main TV via HDMI.
  2. Connects to the second TV TV box (through HDMI).
  3. The function is activated on the set-top box DLNA or Google Cast (if supported).
  4. The TV box connects to the same Wi-Fi network and receives the stream from the set-top box.

Advantages:

  • 🎬 Minimal delay - suitable for watching movies and sports.
  • 🔄 Flexible settings — you can broadcast not only the set-top box screen, but also media files from USB.
  • 📱 Control from a smartphone — Many TV boxes support remote control apps.

Flaws:

  • 💸 High cost — a good TV box will cost 5–15 thousand rubles.
  • ⚙️ Difficulty of setup - requires knowledge of basic network parameters.

The best TV boxes for this task are:

  • 📦 Xiaomi Mi Box S — budget option (~4 thousand rubles), supports Google Cast And DLNA.
  • 🍎 Apple TV 4K — premium solution (~12 thousand rubles), ideal for the Apple ecosystem.
  • 🎮 NVIDIA Shield TV Pro — a top-end box (~20 thousand rubles) with 4K HDR support and AI upscaling.

Instructions for setting up using an example Xiaomi Mi Box S:

  1. Connect Mi Box to the second TV through HDMI.
  2. In the console settings Rostelecom activate DLNA server (Settings → Network Services → DLNA).
  3. On Mi Box install the application DLNA client (For example, BubbleUPnP or LocalCast).
  4. In the application, select the set-top box Rostelecom as a source and start broadcasting.
⚠️ Attention: On consoles Rostelecom SML-582 and newer function DLNA may be blocked by the operator. In this case, use Google Cast (if the prefix is ​​on Android TV) or HDMI splitter (see next section).
How to check if your set-top box supports DLNA?

Go to the set-top box menu in the section Settings → Network ServicesIf there is a point there DLNA server or Media server, then the function is supported. If not, try updating the firmware or using alternative methods.

5. Method 4: Setting up a router in bridge mode (WDS) for two TVs

This method is suitable for experienced users who are ready to configure the network at the router level. The essence is to create seamless Wi-Fi network, where the second TV is connected to a separate router operating in the bridge (WDS)This avoids delays and ensures a stable signal.

For implementation you will need:

  • 📡 The main router (for example, from Rostelecom or your own, for example, Keenetic).
  • 🔄 Second router with support WDS (For example, TP-Link TL-WR841N, ASUS RT-N12).
  • 🔌 Cable Ethernet (optional, for stability).

Advantages of the method:

  • 🚀 Minimal delay — the signal is transmitted almost without loss.
  • 📶 Stable connection - no breaks when viewing.

Cons:

  • ⚙️ Complex setup — requires knowledge of network protocols.
  • 🔌 Additional equipment — I need a second router.

Step-by-step instructions:

  1. Connect the second router to your computer via cable and access its web interface.
  2. In the wireless network settings (Wireless) select the mode WDS or Bridge.
  3. Please specify MAC address main router and save the settings.
  4. Turn it off DHCP server on the second router to avoid IP conflicts.
  5. Connect the second TV to the new router via Wi-Fi or cable.
⚠️ Attention: If your main router is from Rostelecom (For example, Sagemcom F@st 2804), check if it supports the mode WDSSome models of operator routers block this function. In this case, use Repeater mode on the second router.

6. Alternative solutions: HDMI splitter and TV tuner

If wireless methods are not suitable (for example, due to strong Wi-Fi interference or an old set-top box), you can consider wired alternatives:

  • 🔗 HDMI splitter - a device that duplicates the signal from one HDMI-ports for two TVs. Suitable for set-top boxes Rostelecom any models, but requires cable laying.
  • 📡 TV tuner with IPTV support - For example, Dune HD or Mag250Allows you to receive interactive TV streams directly, without a set-top box.

Advantages HDMI splitter:

  • 🎯 Zero latency — the picture on both TVs is synchronous.
  • 🔌 Easy to connect — does not require network configuration.

Flaws:

  • 📏 Cable length limitation — maximum length HDMI without amplifier - 10-15 meters.
  • 💰 Cost of the splitter - high-quality models (for example, Oreo HDS-21) cost 2-5 thousand rubles.

If you choose TV tuner, please note:

  • 📺 You need to buy a separate device for each TV.
  • 🔑 Account linking required Rostelecom (there may be restrictions on the number of simultaneously connected devices).

7. Typical problems and their solutions

When setting up the connection of two TVs to one set-top box Rostelecom Users often encounter typical errors. Here are the most common ones and how to fix them:

Problem Possible cause Solution
Video/audio delay Weak Wi-Fi signal, network congestion Switch the router to the range 5 GHz or reduce the number of connected devices
There is no sound on the second TV. Miracast/DLNA settings only transmit video In the set-top box menu, enable the option HDMI/SPDIF audio transmission
The set-top box doesn't recognize the TV box. Different Wi-Fi subnets or firewall blocking Disable the firewall on your router and make sure both devices are on the same network.
The video is choppy during broadcasting. Low network bandwidth Connect the set-top box to the router with a cable or use a Mesh system
Miracast disconnects after 5-10 minutes Energy saving mode on your TV or set-top box Turn it off Sleep on a timer in the settings of both devices

If none of the methods helped, check:

  • 🔄 Firmware updates set-top box and router (outdated software often causes conflicts).
  • 📡 Wi-Fi channel - if you use 2.4 GHz, try changing the channel to 1, 6 or 11.
  • 🔌 Power supply for devices - Some repeaters and TV boxes require a 2A power supply (not 1A).
⚠️ Attention: On consoles Rostelecom SML-282 And SML-482 There may be no support for firmware older than 2022 MiracastIn this case, update the software through the menu. Settings → Update or contact your operator's support.

8. Frequently Asked Questions (FAQ)

Is it possible to connect 3 TVs to one Rostelecom set-top box?

Technically yes, but with serious limitations. For three TVs, you'll need:

  • Use HDMI splitter with 3 outputs (wired method).
  • Or set up DLNA server on the set-top box and connect two TV boxes + one TV via Miracast.

However, the video delay on the third TV can reach 2-3 seconds, and the picture quality will deteriorate due to the network load.

Why does the image lag when connected via Wi-Fi, but the sound is fine?

This problem occurs due to:

  • Insufficient network bandwidth — for Full HD at least 15 Mbps is required, for 4K — 25+ Mbps.
  • Interference in the 2.4 GHz band — switch to 5 GHz or change the channel.
  • Weak processor in the TV box - budget models (for example, X96 Mini) cannot cope with decoding the stream.

Solution: connect the set-top box to the router with a cable or use a Mesh system (for example, TP-Link Deco).

How can I check if my Rostelecom set-top box supports broadcasting to two TVs?

Verification methods:

  1. Look at the model of the console on the sticker on the back (for example, SML-282, SML-482, SML-582).
  2. Go to the menu Settings → Device Information.
  3. Check for items Miracast, DLNA or Wireless Display in the network settings.

Prefixes Rostelecom older than 2017 (for example, SML-282) usually do not support wireless broadcasting. In this case, use HDMI splitter or TV box.

Can I use a Rostelecom set-top box as an IPTV server for Kodi or VLC?

Yes, but with some reservations:

  • On consoles with Android TV (For example, SML-582) can be installed Kodi and set up IPTV playlist from Rostelecom.
  • For older models (eg. SML-282) will be required TV tuner (For example, Dune HD) or TV box with support .m3u-playlists.

Instructions for Kodi:

  1. Download the playlist Rostelecom in your personal account (section Interactive TV → Settings).
  2. IN Kodi go to TV → Enter add-on browserPVR IPTV Simple Client.
  3. Load the playlist and restart Kodi.
Which router is best for streaming to two TVs?

For stable broadcasting, routers with:

  • Support MU-MIMO (simultaneous work with several devices).
  • Dual-band Wi-Fi (2.4 GHz + 5 GHz).
  • A powerful processor (for example, Broadcom BCM4906).

Top 3 models:

  1. ASUS RT-AX88U - flagship with support Wi-Fi 6 and 8 antennas.
  2. Keenetic Giga III - optimized for IPTV, has a built-in DLNA server.
  3. TP-Link Archer C5400X - three Wi-Fi bands, ideal for large homes.