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GCI Wireless Cell Phone Signal Boosters 5G + LTE + 4G + 3G

Do you experience dropped calls or choppy, incoherent conversations on your GCI Wireless cell phone within your home/office or in car/truck? GCI Wireless offers very good cellphone coverage but housing materials such as concrete, metal, low emissivity or tinted glass windows, etc. block cellular signals and prevent good mobile reception indoors in homes/offices and outdoors in cars/trucks. Our signal boosters listed below and/or our cell phone booster installation service can help.

Signal Boosters for GCI Wireless & Installation by Certified Installers.

GCI Wireless Signal Booster

Signal Boosters for GCI Wireless & Installation by Certified Installers.

  • Signal boosters listed below boost reception for all GCI Wireless phones.
  • Strengthened GCI cellular signals reduce dropped calls, speed Internet.
  • Boost reception at home or in car after GCI service booster installation.
  • Installing signal booster is easy with instructions for 3G, 4G, LTE, 5G network.
  • Available for vehicles or in-home residential & in-building commercial installations.
  • Experienced signal booster installer available to install at an affordable cost.
  • No monthly fees nor contracts. Only one-time signal amplifier kit purchase.
  • Free trial - 60 days total satisfaction money-back guarantee for all wireless signal boosting kits listed below.

GCI Wireless 3G, 4G, 5G Frequencies and Bands.

3G Frequencies 4G / 5G (DSS) Frequencies
1900 MHz (GSM/ HSPA).
1900/ 850 MHz (CDMA).
2100/ 1700 MHz (LTE).

After purchase, GCI Wireless service signal booster registration should be easy. Simply register signal amplifier for General Communication, Inc. by submitting following information via email at 1) Customer name and phone number. 2) Make, model, and serial number of the cellular amplifier purchased. 3) Address where the cell phone booster kit will be installed (if vehicle, then an address where it will be normally parked overnight). 4) Date of initial operation. You may read more details at FCC website. All of the following cell phone signal amplifiers are FCC certified and tested to improve wireless reception in homes or buildings, cars, trucks, boats, recreational vehicles (RVs), etc. on GCI mobile network. Try one risk-free to see how much it helps you to minimize dropped calls, missed calls, stuck/late text messages, and slow mobile internet due to weak cellular reception. As long as there is some minimal cellular signal outside the home/building or vehicle, you will definitely experience remarkable cell signal amplification inside.

Scroll down to browse & buy home/ office/ building or vehicle signal boosters for GCI Wireless phones, or call for FREE consultation:


If you need installation service by professional signal booster installers, submit quote request for installation service to get started.