Sonnet-tech
  • Home
  • Vendors
    • Keri Systems
    • Ganz
    • Security Door Controls
    • Security Brands, Inc.
    • Computar
    • Mircom
    • Intrasonic
  • Solutions
    • Hands Free Door
    • Video-Locks-Access Control & Integration
  • Headlines
  • Contact
  • Shop
    • Video Kits & Accessories
    • Apps & Software links
    • Demo Items Clearance
    • Services
  • Home
  • Vendors
    • Keri Systems
    • Ganz
    • Security Door Controls
    • Security Brands, Inc.
    • Computar
    • Mircom
    • Intrasonic
  • Solutions
    • Hands Free Door
    • Video-Locks-Access Control & Integration
  • Headlines
  • Contact
  • Shop
    • Video Kits & Accessories
    • Apps & Software links
    • Demo Items Clearance
    • Services
Search by typing & pressing enter

YOUR CART

Catalog
Support
Learning

NEW Silver Series cameras add true UTC autofocus/verifocal


Picture

APD, our distribution partner for the upper midwest

Where To Buy...

GSI - Your Partner In Business
We’re your partner for trusted service and high-quality security products. For more than 30 years, GSI has served the independent security industry nationwide with a wide variety of high-quality, low voltage products, including CCTV cameras, DVRs, sirens, power supplies and enclosures. See our full product lineup.

Who We Are
Beginning in 1985, the family owned and operated Golden State Instrument Company (GSI) has been serving the independent security industry with high quality low voltage products. Since opening our doors for business, our approach to customers has been, and continues to be, “How can we serve you?” With developments in 2016, we,re excited to expand our product line and continue our partnership with our customers, and assist them into the challenging and exciting future. GSI is not just one of your vendors, we are your partner in business!

What We Do
With over 30 years of design, engineering, and manufacturing experience, GSI takes great pride in offering superior, UL Listed low voltage products including: CCTV cameras, DVRs, NVRs, sirens, speakers, test monitors, power supplies, accessories and enclosures. GSI takes pride in providing exemplary customer service and partnering with our customers to provide technical design assistance for special projects.
Home│Vendors│Solutions│Contact Us│Shop│News
Copyright © 2020 Sonnet Technology Sales
Minneapolis, MN