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WHITE PAPER: 2018 In-Building Mobile Connectivity Report
zBoost Trio Soho AT&T Cell Phone Signal Booster | ZB575-A Amplifier

zBoost Trio SOHO AT&T Cell Phone Signal Booster | ZB575-A

SKU#: 98ZB575-A
IN STOCK. Ships in 1-2 business days.
$319.99 $399.99 No tax for orders outside Texas.
FREE Standard Shipping. Expedited & Next Day Shipping available.
  • No Tax For Orders Outside Texas.
  • Risk Free 30 Day Money Back Guarantee.
  • 2 (Two) Year Manufacturer's Warranty.
  • For AT&T networks only.
  • Complete kit, easy install.
  • No monthly fees, no wifi needed.
zBoost Trio SOHO AT&T Cell Phone Signal Booster | ZB575-A
$319.99 $399.99 No tax for orders outside Texas.

About This Product

Affordable price, premium performance

The zBoost Trio SOHO (ZB575-A) cell phone booster is the the best price + performance home cell phone signal booster in USA & Canada.

With up to +70 dB gain of amplification, it greatly enhances 3G cell service for all your wireless devices (smartphones, notebooks, hotspots, etc.) on any carrier with a 4G LTE boost for AT&T service indoors up to 2,500 sq ft.

Never drop a call again. Stop waiting for loading screens. No more searching for reception. Get faster internet & updates on your apps. Send emails and text messages with zero delay. Stream video & audio with little to no buffering.

zBoost: better signal, best price.

  • Boosts 3G and 4G LTE (AT&T only) for any home or office up to 2,500 sq ft.
  • Works for all phones & cellular devices, all US & Canadian carriers.
  • Complete kit: all parts included, easy install.
  • No monthly fees, no need to be connected to wifi, it just works.
  • Affordable price & performance by zBoost.
FREE Same Day Shipping
30 Day Money Back Guarantee
1 (One) Year Warranty
100% Secured Checkout

For a more powerful signal booster (coverage up to 5,500 sq ft), please consider the zBoost Trio SOHO Xtreme AT&T

Who is this for?

For the small home/office size (1K to 2.5K sq ft).

Great for: SOHO, 1-2 rooms of homes, offices and cabins.

Not recommended for: needing whole building coverage above 2.5K sq ft.

Compatible With all Major US and Canadian Networks

The zBoost Trio SOHO AT&T amplifies talk & text, 3G for all carriers, and 4G LTE for AT&T networks only.

All US carriers (3G): AT&T, Verizon, Sprint, T-Mobile, US Cellular, Leap Wireless, C Spire, MetroPCS, etc. (4G LTE): AT&T only.
All Canadian carriers (3G): Rogers, Bell, Telus, Fido, Wind, etc.

Kit Includes:

ZB575 Amplifier
Outside Omni Antenna
Power Supply
50 ft RG6 Cable

Tech Specs

zBoost Trio SOHO AT&T Cell Phone Signal Booster
Frequency 1850-1990 MHz; 824-894 MHz; 704-746 MHz
Max Gain 70 decibels (dB)
Coverage Up to 2,500 sq. ft.
Impedance 75 Ohms
Power 110-240 V AC, 50-60 Hz, 5.0VDC
Connectors F-Female
Dimensions 5 x 7 x 1.25 in
Weight 9 oz
UPC 854584003786


This is a CONSUMER device. BEFORE USE, you MUST REGISTER THIS DEVICE with your wireless provider and have your provider's consent. Most wireless providers consent to the use of signal boosters. Some providers may not consent to the use of this device on their network. If you are unsure, contact your provider. You MUST operate this device with approved antennas and cables as specified by the manufacturer. Antennas MUST be installed at least 20 cm (8 inches) from any person. You MUST cease operating this device immediately if requested by FCC or a licensed wireless service provider.


The zBoost Trio SOHO AT&T is easy to install, everything included in the kit, and trained customer/tech support
(1-800-470-6777 or to assist you in every step of the way.

  • ZB575 Amplifier
    ZB575 Amplifier
  • Outside Omni Antenna
    Outside Omni Antenna
  • Power Supply
    Power Supply
  • 50 ft RG6 Cable
    50 ft RG6 Cable

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