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zBoost Trio Xtreme Reach AT&T Cell Signal Booster - ZB585X-A

Product subtitle:

Boost 4G LTE & 3G, talk & text on all phones on AT&T for home & office, up to 5,500 sq ft and +78dB


Boosts Talk, Text and 4G LTE data; Compatible with 3G devices and AT&T 4G LTE; Ideal for larger area use with reliable outside signal; Coverage area up to 5,500 sq. ft.; Up to +78 dB Gain


Item: #ZB585X-A; 4G; Up to 5,500 sq. ft; 78 dB Gain


4G | 5,500 sq. ft.



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zBoost Trio Xtreme Reach AT&T Cell Phone Signal Booster | ZB585X-A Complete Kit
zBoost Trio Xtreme Reach AT&T Cell Signal Booster - ZB585X-A
Was $499.99 (You save $90.00)

zBoost Trio Xtreme Reach AT&T Cell Signal Booster - ZB585X-A


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    Your Price:
    Was $499.99 (You save $90.00)

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    Product Overview

    zBoost logo

    Say goodbye to dropped calls, poor call quality, and slow internet.

    • High performance tri-band signal booster – coverage up to 5,500 sq ft
    • Ideal for larger residential spaces that have reliable outside signal or for smaller spaces that have weaker outside signal
    • Automatically operates at maximum gain - no manual adjustments needed
    • Reduces dropped and missed calls and provides faster 4G data performance for multiple simultaneous users
    • Compatible with mobile phones and devices operating on AT&T 4G LTE, CEL (800 MHz) and PCS (1900 MHz)

    The zBoost TRIO Xtreme REACH solves missed and dropped calls and slow LTE data inside your home. The ZB585X-A boosts signal for AT&T 4G LTE data as well as voice and text for all major carriers. The zBoost ZB585X-A captures the marginal-to-reliable cellular signal you have outdoors and rebroadcasts it indoors, up to 5,500 square feet, so you can enjoy clearer, faster and more reliable service without interruption. No more dropped calls, lost connections, and slow internet. Perfect for SOHO (single office, home office), large cabins, cottage, and other businesses.

    PRODUCT Top 10 Benefits

      how it works image
    • 1 Eliminates Dropped Calls
    • 2 Crystal Clear Voice
    • 3 Quickly Delivered Text
    • 4 Faster Uploads & Downloads
    • 5 Reliable Connection
    • 6 Improved Reception
    • 7 Wider Coverage
    • 8 Reduced Dead Zones
    • 9 More Bars
    • 10 Longer Battery Life

    Who is this for?

    You need reliable talk & text and high-speed 4G LTE internet for the entire house or office. You can’t deal with dropped calls, fish tank voices, stuck text messages and slow internet. Get the signal you deserve for dependable connections and clear calls with a high-powered amplifier exclusively made for AT&T.

    Which Carriers Does it Work for?

    The zBoost ZB585X-A Trio Reach Xtreme signal booster amplifies talk & text and 3G for all major carrier networks except WiMax and iDen.

    • All US carriers (3G): AT&T, Verizon, Sprint, T-Mobile, US Cellular, Leap Wireless, C Spire, MetroPCS, etc.
    • 4G LTE: AT&T

    How Does it Work?

    It works by pulling in the existing weak signal with the outside antenna, amplifying it multiple times with zBoost’s award-winning amplifier. The enhanced signal bypasses all exterior and interior obstructions and interference directly to your entire home.

    From the cell tower straight to your phone for clearer calls, faster internet, wider coverage, and stable connections. Say goodbye to interruptions.

    What’s Included In the Complete Kit?

    zBoost Trio REACH Xtreme Cell Phone Signal Booster Kit (Item # ZB585X-A) Includes:

    1 amplifier
    AT&T Cell Phone Amplifier with Antenna
    2 antenna
    External Antenna
    3 power supply
    Power Supply
    5 cable
    50' RG6 (75ohm) Coax Cables

    Coverage Area & Product Specifications

    The zBoost Trio REACH Xtreme cellular signal booster is a simple, effective solution to maintain continuous communication for all cellular-enabled devices – smartphones, tablets, etc - in your home or office.

    AT&T 4G LTE
    1850-1990 MHz
    824-894 MHz
    704-746 MHz
    MAX GAIN 78 decibels (dB)
    COVERAGE Up to 5,500 sq ft
    IMPEDANCE 75 Ohms
    POWER 110-240 V AC, 50-60 Hz, 5.0VDC
    CONNECTORS F-Female (outside antenna)
    DIMENSIONS 5 x 7 x 1.25 in
    WEIGHT 9 oz
    UPC 854584003885
    Specifications Sheet(PDF)

    Installation Instructions

    The product is easy to install. Everything is included in the kit.

    If you have questions or require assistance, please call our customer and tech support at 1-800-568-2723 or email at We will be happy to assist you in every step of the way.

    Wilson Amplifiers provides a free service to help you along the way. Please check out our blog for more information.

    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 the FCC or a licensed wireless service provider.

    E911 location information may not be provided or may be inaccurate for calls served by using this device. Please note, the four largest carriers, namely, AT&T, T-Mobile, Verizon and Sprint, and more than 90 regional carriers have given a blanket consent to all boosters meeting the new certification standards

    Customer Reviews

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