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Quickstream High Speed Internet gives you a fast, dedicated connection right from our central office to your home or office. You’re automatically connected every time, and unlike service from the cable company, you won’t experience slow-downs when neighbors go online or watch their high definition TV’s.

With speeds up to 14 Mbps, you’ll download photos and music in seconds…PLUS, Quickstream uses only one phone line to carry voice and data traffic, so you CAN talk on the phone AND surf the Web at the SAME TIME!

For even faster speeds, click here to learn about FiberNet – our upgrade to cutting-edge fiber optic technology!

Learn More Here

Installation and Networking

When you sign up for high speed Internet service, a trained technician will perform the entire installation free of charge, leaving you with a fully-functional connection to the Internet. Whether you want to surf the Net or email your friends, you’ll be ready to point, click, and connect in an instant.

Looking to connect more than one computer? Call us. We can handle your basic networking needs. Rates available upon request.

Rates available upon request if weekend, night, or holiday installation or repair work is needed. Free professional installation is not available in all service areas. Call for full details. Professional Installation includes setup and configuration of one computer and router and verification of connectivity and speed. Professional Installation excludes installation of network interface cards, modems/routers not supplied by GSC, resolving software conflicts, firewall configuration, and connecting peripheral equipmen

System Requirements

To optimize your Quickstream Internet experience, your computer will need to meet the minimum system requirements:

PC:

  • Windows Vista/Windows 7/Windows 8/Windows 10
  • Processor of 1.2ghz or better
  • 1GB RAM or higher
  • CD-ROM or DVD
  • Ethernet Card/Wireless Adapter

MAC:

  • OS 10.4 or higher
  • Processor of 1.2ghz or better
  • 1GB RAM or higher
  • CD-ROM or DVD
  • Ethernet Card/Wireless Adapter

We strongly recommend antivirus and firewall software to protect your computer. You will also need a high speed Internet modem. External modems are available for rent or purchase from GSC. Please contact our Customer Service Department for more information.

Speed & Price

Our Quickstream Internet Service requires a subscription to standard residential or business phone service. Get up to 15% off when you bundle with phone service and calling features. For info on Quickstream paired with low-use phone service, please call. 

Package Speed Monthly Price
Quickstream Ultimate Up to 14 Mbps1 $49.95

¹ Speeds are subject to limitations based upon the home or business’s geographic distance from our switching equipment and therefore cannot be guaranteed.

Features

Quickstream offers you a super-fast, super-reliable connection.

Plus Each Account Includes:

  • Top-Rated, Local Customer Service and 24/7 Technical Support. We’re reliable neighbors with reliable service and support. Call us anytime.
  • MyGSC — youronline resource for managing your account, technical support, even sharing Granite State community news and info. Use myGSC to access your myAccount Tool – a quick and easy way to manage your Internet account settings and add email accounts via the web.
  • Up to 5 email accounts with 15GB of storage per mailbox
  • Powerful spam and virus protection.
  • Webmail to easily access your email from any computer or device with an Internet connection — plus free access to an entire suite of online tools including Calendars, Task Lists, and Document Sharing tools!

Optional Services Include:

  • Additional email storage space — $1.00 per megabyte per month.

Advantages

With Quickstream, you’ll enjoy a high speed connection that’s superior in both reliability and quality:

  • Ultra-fast speeds – stream TV shows and movies no problem. Download photos and music in seconds.
  • A dedicated connection – from our central office to your home or office, so your service is consistently fast, 24/7.
  • Talk on the phone and surf the Web at the same time – Quickstream technology uses your existing phone line to carry both Internet and voice data at the same time, so there’s no dialing in, no busy signals, not ever!
  • Top-rated service – we’re reliable neighbors with local customer service and 24/7 tech support. We’re there when you need us.

 

Plus, unlike the cable company, we give you speeds you can count on every time you connect!

  • NO slow-downs at peak hours.
  • NO shared connection with neighbors surfing the Web or watching high-definition TVs.
  • NO PowerBoost tricks.
  • NO throttling your speed.

Testimonial

“Great job to all those at GSC! Along with a wonderful product, Customer Service Reps are Outstanding! Thank you!”

See more testimonials

Lynn A., Quickstream customer
Dunbarton, NH

 

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