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zBoost ZB645SL-CM Cell Phone Signal Booster (ZB645SL-CM)
zBoost ZB645SL-CM Cell Phone Signal Booster (ZB645SL-CM)

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zBoost ZB645SL-CM Cell Phone Signal Booster (ZB645SL-CM)

Brand: weBoost           P\N: ZB645SL-CM           UPC: 854584003632

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Availability: Discontinued

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weBoost This cell booster can greatly improve your signal quality. A cellular signal amplifier is the best way to get better signal. Cell phone extenders are a great way to ensure your important calls can be made. Cell phone repeaters are a great way to boost your signal. Learn how to boost cell phone signal quality easily and effectively. A cell booster will give you the best cell phone reception and reduce your dropped calls.

zBoost, a leader in consumer cell phone signal boosters, offers the improved zBoost ZB645SL-CM as the solution to your missed and dropped calls inside your larger home or office space. The innovative ZB645SL-CM boosts voice coverage on any 3G/4G phone for all North American carriers operating on CEL 800 MHz and PCS 1900 MHz. The ZB645SL CM captures the marginal to reliable cellular signal you have outdoors and rebroadcasts it indoors, up to 7,500 square feet, so you can enjoy clearer, faster and more reliable service without interruption. Everything you need is included: amplifier base unit, indoor dome antenna, power supply, (2) 15 ft. and (1) 35 ft. of RG6 cable, flat window entry cable, external antenna, and mounting hardware.

WARNING: Cancer and Reproductive Harm -


  • Higher gain in PCS band and includes a powerful logarithmic external antenna, Includes 2 runs of RG6 coax cable along with a window entry cable which makes for an easier installation. A connecter is also included to connect the two cables if you prefer not to use the window entry cable. Comes with ceiling mount indoor antenna

  • Ideal for large homes and offices that have reliable outside signal or for smaller spaces that have weaker outside signal

  • Reduces dropped and missed calls and can provide faster 3G data performance for multiple simultaneous users

  • High perfor mance dual band signal booster - coverage up to 7,500 sq. ft. (up to 77 dB gain)

  • Boosts performance on iPhone ™ , Samsung ™ , Android ™ and other phones and mobile devices

  • Extends phone battery life - phone uses less power when the indoor signal is stronger

  • Automatically operates at maximum gain – no manual adjustments needed

  • Indoor dome ceiling mount antenna provides omni - directional coverage

  • External directional antenna for increased system performance

  • Designed in Silicon Valley – Made in North America

  • Easier to set up – window entry cable included

  • FCC Approved


The zBoost ZB645SL-CM is a dual-band signal booster and can amplify both frequencies used by all major North American cell phone carriers including AT&T, Sprint, T-Mobile, Verizon, US Cellular, Alltel, Cricket, and others (not compatible with Nextel/iDEN). The ZB645SL-CM allows you to use your cell phone wirelessly as you normally do and doesnt require a cradle or direct connection to your phone.

Max Coverage Area Up to 10,000 sq ft
Frequency 800MHz, 1900MHz
Specific Frequency (Up/Down) 824 - 849 MHz / 869 - 894 MHz, 1850 - 1910 MHz / 1930 - 1990 MHz
Gain 75dB / 75dB
Impedance 75 ohm

This is a CONSUMER device.

BEFORE USE, you MUST REGISTER THIS DEVICE with your wireless provider and have your providers 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.

WARNING. E911 location information may not be provided or may be inaccurate for calls served by using this device.

Please note, the four largest carriers - AT&T, T-Mobile, Verizon and Sprint - and more than 90 regional carriers have given blanket consent for use of all boosters certified to the new FCC standards."


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