We Make Cellular Work Indoors

Cost-Effective, Turnkey, In-Building Cellular Repeater Solutions

  • Nationwide Installation, Monitoring & Maintenance Services

  • Professional Distributed Antenna System (DAS) Designs

  • Competitive Pricing & Superior Customer Service

  • Guaranteed System Performance

Extreme Engineering develops and installs in-building DAS (Distributed Antenna System) solutions supporting all carriers including AT&T, Verizon, Sprint, T-Mobile, and any other GSM, CDMA, 3G, 4G and 5G cellular signal.

Extreme Engineering excels in assisting our clients in overcoming the challenges of acheiving and maintaining in-building cellular reception. We provide single or multi-carrier DAS solutions to optimize your indoor cellular signal.

Extreme Engineering will customize a cost-effective, turnkey, in-building wireless cellular repeater solution specific to your own venue needs and application requirements. We design and install cellular repeater systems / DAS solutions to boost cell phone signals in buildings smaller than 2,000 sq/ft to well over 500,000 sq/ft, in a variety of industries, throughout the entire United States.


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Get the Best Indoor Cellular Coverage with 3G/4G Multi- Carrier Cellular Repeaters

All Products FCC Approved / All Installation Technicians Manufacturer Certified


Residential Cellular Repeater
Suitable for Homes
5,000 sq. ft and under


Small Commercial Cellular Repeater
Suitable for Buildings
under 20,000 sq. ft


Large Enterprise Cellular Repeater
Suitable for Buildings
over 20,000 sq. ft

For Product Assistance Specific to Your Facility, Please Contact a System Specialist 248-733-9331

Extreme Engineering provides complete System Design and Installation Services