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A sleek white Wi-Fi router on a light wooden shelf in a bright living room, with a thin blue fiber cable running neatly

Fiber optic internet · Homes and businesses

Fiber internet, installed and supported by a local team.

Broadband plans for families, home offices and companies. We also handle dedicated links, structured cabling and Wi-Fi coverage for every room.

Check availability See plans and prices

30-day satisfaction guarantee

Getting connected

Fiber internet for homes and businesses in your area, in three steps.

Check your address

Tell us where you are. We confirm if fiber is available in your area.

Choose your plan

Pick a home or business plan. Need cabling or Wi-Fi coverage? We add it to your quote.

Schedule the installation

Our technician installs and tests the service. You start using it right away.

What comes with every connection

From the cable on your wall to the person who answers when something feels off.

Extreme close-up of glowing fiber optic strands in soft blue light against a pale background.

Fiber optic connection

Your plan runs on fiber optic cable. It is built for streaming, video calls and everyday work.

A gloved hand fastening a white fiber outlet to a wall in a bright home hallway.

Professional installation

Our technicians install the service and set up your equipment. You get a working connection, not a box to figure out.

A support desk with a laptop and headset in a clean office, screen blurred, cool daylight from the window.

Technical support when you need it

Something feels off? Talk to our support team. Support hours: Monday to Friday, 9 a.m. to 6 p.m..

Wi-Fi that reaches more rooms

We plan and install Wi-Fi solutions to extend coverage across your home or office.

Solutions for businesses

Dedicated links and structured cabling for companies that depend on their network every day.

Plans for every routine

Options for families, home office professionals and small and medium businesses.

Plans and services

Monthly fiber plans for homes and businesses, plus network projects for companies and larger spaces.

Home Fiber

Fiber broadband for families and everyday streaming. Speed: contact our support team. Includes installation and support.

$59.99/month

Ask for this plan

Home Office Fiber

Fiber plan for remote work and video calls. Speed: contact our support team. Includes installation and support.

$79.99/month

Ask for this plan

Business Fiber

Fiber internet for small and medium businesses. Speed: contact our support team. Includes technical support.

$129.99/month

Ask for this plan

Network projects for companies

Quoted for your space and needs. Tell us about the project and we prepare the quote.

  • Dedicated Link

    Exclusive connection for companies that need a dedicated link. Bandwidth and terms defined per project.

    From $499/month Get a quote

  • Structured Cabling

    Planning and installation of organized network cabling for offices and commercial spaces.

    From $650 per project Get a quote

  • Wi-Fi Coverage Solution

    Site assessment and installation of Wi-Fi equipment to extend signal across homes and offices.

    From $199 per installation Get a quote

Plan terms

30-day satisfaction guarantee

Monthly plans renew automatically every month until you cancel. To cancel, contact our support team through contact our support team.

Read the Terms of Use and the Refund Policy before you sign.

Clear service from day one

  • Installation done by our own technical team
  • Direct support channel: [email protected]
  • Plan terms and cancellation policy available before you sign
A technician seen from behind organizing labeled-free blue fiber cables at a network rack in a clean, cool-lit workroom.

A local provider focused on reliable connections

SINAL MASTER TELECOM provides fiber optic internet to homes and businesses in contact our support team. We install, configure and support every connection we deliver.

Beyond broadband, we work on the full network: dedicated links for companies, structured cabling for offices and Wi-Fi projects that extend the signal where it is needed.

contact our support team

Our mission

Connect homes and businesses with fiber internet and attentive local support.

SINAL MASTER TELECOM LTDA · Reg. 54.884.543/0001-48 · Rua Galia, 393 - Cidade Ariston Estela Azevedo, Carapicuiba - SP, 06395-060 · [email protected] · +551151987977

Questions before you connect

Is fiber available at my address?

Send us your address and we will confirm. Current coverage area: contact our support team.

How does payment work?

Plans are billed monthly. Accepted payment methods: contact our support team. Due date options: contact our support team.

How long does installation take?

After you sign up, we schedule a visit. Average time to install: contact our support team. The visit itself usually takes contact our support team.

Is there a minimum contract period?

contact our support team.

How do I cancel my plan?

Contact our support team through contact our support team. Notice period and equipment return: contact our support team.

How do I request a refund?

Contact support with your account details. Refund rules and timeframe: contact our support team.

What if my internet stops working?

Reach our technical support. We troubleshoot remotely and send a technician if needed. Support hours: Monday to Friday, 9 a.m. to 6 p.m..

Is the Wi-Fi router included?

contact our support team. For larger spaces, we offer Wi-Fi coverage solutions.

Do you serve businesses?

Yes. We offer business fiber plans, dedicated links, structured cabling and Wi-Fi projects. Ask for a quote.

Ready to connect with fiber?

Check availability at your address and choose the plan that fits your home or business.

Check availability