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SureCall SignalMax Fiber DAS Signal Booster

SKU: SC-MaxFiberMURU
$12,950.00

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If you’re not satisfied with your purchase for any reason, we offer a 60-day return policy during which you can return your order for a refund.

If you would like to return a product from your order, please call us at (888) 727-2079 and we will provide you with all of the information necessary to return the item.

Free Shipping Over $99

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Description

The SureCall SignalMax Fiber DAS is a scalable, fiber-based cellular booster system built to solve signal issues in large commercial and institutional spaces. Designed for 5G and LTE, it’s a flexible alternative to traditional DAS, delivering wide-area coverage without the cost or complexity of multi-carrier agreements.

At the center of the system is the Master Unit, which pulls in signal using a directional outdoor antenna. SureCall’s Extended Range Technology™ amplifies that signal at its strongest point before sending it over single-mode fiber to one or more Remote Units placed throughout the building. Each Remote Unit powers a set of ceiling-mounted antennas that distribute boosted signal across offices, corridors, or open floor areas.

Fiber as the system backbone means no loss of signal strength over long cable runs. This makes it ideal for projects like multi-level office towers, long manufacturing bays, or dispersed campus layouts where coax alone wouldn’t be practical.

The standard configuration covers up to 50,000 square feet, and the modular design allows you to expand to 125,000 or even 500,000 square feet with additional components. It’s FCC Part 20 certified and already approved for use on all major US networks including Verizon, AT&T, T-Mobile, and UScellular — no separate permissions or retransmission agreements required.

Installation is straightforward, and once deployed, performance can be fine-tuned using SureCall’s mobile app or managed remotely through the SureCall Cloud IoT platform. It’s a long-term solution that’s ready for today’s 5G and tomorrow’s growing demand.

Highlights and Benefits

Product Highlights

  • Supports all major 5G and LTE bands across 700, 800, 1900, and 1700/2100 MHz frequencies
  • FCC-certified under Part 20, with no retransmission agreements needed for Verizon, AT&T, T-Mobile, or UScellular
  • Uses single-mode fiber optic cable to deliver low-latency, high-integrity signal over long distances
  • Master Unit connects to up to four Remote Units; each Remote supports four to sixteen ceiling-mounted indoor antennas
  • SureCall’s Extended Range Technology™ boosts signal at the source for better performance in tough RF environments
  • Bluetooth mobile app offers signal meter readings and antenna alignment tools for on-site optimization
  • Remote monitoring available via SureCall Cloud IoT, allowing 24/7 system access and status updates
  • Weather-resistant IP66-rated housing for the Master Unit with wide operating temperature range
  • Designed and tested in the USA, with a 3-year warranty and US-based technical support

Top Benefits

  • Covers up to 50,000 sq ft out of the box, expandable to 500,000 sq ft with additional Remote Units and antennas
  • Delivers strong cellular service across large areas where traditional boosters or small cells fall short
  • Fiber backbone eliminates signal loss across long runs, ideal for multi-floor buildings or multiple wings
  • Pre-approved for all major carriers, cutting out the delays and costs often tied to traditional DAS
  • Easy to scale and integrate into existing infrastructure as business needs grow or tenants change
  • Supports 5G from day one, avoiding the need for later upgrades or hardware replacements

Full visibility and control via app and cloud platform help ensure long-term reliability and performance

What’s in the Box

The standard SignalMax Fiber DAS kit (part number SC-MaxFiberMURU) includes everything needed to cover up to 50,000 square feet out of the box:

  • 1 Master Unit (SC-FMU)
  • 1 Remote Unit (SC-FRU)
  • 1 Outdoor Directional Yagi Antenna (SC-530W)
  • 1 Coax jumper cable, 10 ft SC-400, pre-terminated (SC-001-10)
  • 1 Fiber Optic Cable, 250 ft, single-mode, pre-terminated (SC-SMF250)
  • 1 Grounding wire, 14-gauge, 20 ft with terminals (SC-GND20)
  • 1 SC-400 coax cable reel, 500 ft un-terminated (SC-001-500)
  • 10 N-Male compression connectors (SC-CN-30)
  • 4 Ceiling-mounted Ultra-Thin indoor antennas (SC-628CBM)
  • 2 Power supplies
  • 1 for Master Unit (48VDC)
  • 1 for Remote Unit (24VDC)
  • 1 Power supply extension cable, 100 ft (with adapter pieces)
  • 1 Coax cable, 10 ft jumper (SC-400)
  • Mounting brackets and hardware for all components

This kit is designed to get a full system up and running with one master-to-remote connection and four indoor antennas. Expansion kits are available for scaling coverage further.

Coverage Area and Supported Carriers

The SignalMax Fiber DAS system delivers reliable indoor cellular coverage across large buildings, with total system coverage depending on signal strength, layout, and the number of installed components.

Estimated Indoor Coverage:

  • Standard Kit (1 Master Unit + 1 Remote Unit + 4 antennas):
    Covers up to 50,000 square feet
  • Expanded System (with additional accessories):
    Up to 125,000 square feet
  • Fully Scaled System (4 Remote Units, each with up to 16 antennas):
    Covers up to 500,000 square feet

Typical Coverage Per Indoor Antenna:

  • Strong outside signal (good RSRP values and minimal building interference):
    Each antenna can cover 8,000 to 12,000 square feet
  • Average to weak outside signal (dense walls, lower input strength):
    Coverage may reduce to 3,000 to 5,000 square feet per antenna

Please note: Actual results depend heavily on the strength of the outdoor signal, antenna placement, and building materials.

Supported Devices:
All cellular phones, mobile hotspots, routers, and IoT-connected devices

Supported Networks:
4G LTE and 5G on FCC-certified frequency bands

Frequencies Boosted:

  • 698–716 MHz
  • 776–787 MHz
  • 824–849 MHz
  • 1850–1915 MHz
  • 1710–1755 MHz
  • 728–746 MHz
  • 746–757 MHz
  • 869–894 MHz
  • 1930–1995 MHz
  • 2110–2155 MHz

Supported Carriers:

  • Verizon
  • AT&T
  • T-Mobile
  • UScellular
  • Plus MVNOs and regional providers that use the same frequencies

International Use Note:
SignalMax is built for US networks and may not operate on international bands outside North America.

Installation

Installing the SignalMax Fiber DAS system requires basic low-voltage tools, clear planning, and careful attention to antenna placement. The system is modular and designed for professional installers, integrators, or facility teams familiar with coax and fiber infrastructure.

Step 1: Mount the Outside Antenna and Master Unit

Start by identifying the area with the strongest outdoor signal — usually the highest point on the building facing the nearest cell tower. Use the SureCall app or a signal meter to confirm signal strength in dBm (not just phone bars). Mount the Yagi directional antenna at least 25 vertical feet or 50 horizontal feet away from any indoor antennas to prevent interference. Connect the antenna to the Master Unit using SC-400 coaxial cable.

Mount the Master Unit indoors near the antenna cable entry point. Make sure the unit is installed vertically with all ports facing downward and the grounding wire attached to a proper earth ground.

Step 2: Run Fiber Optic to the Remote Unit

Use the included 250-foot single-mode fiber optic cable to connect the Master Unit to the Remote Unit. This fiber run carries the boosted signal without loss over long distances. Plug each end into the labeled “Optic” ports on the Master and Remote Units.

Step 3: Install and Connect Indoor Antennas

Each Remote Unit supports up to four inside antennas. For most setups, these are Ultra-Thin omni-directional dome antennas mounted on the ceiling. Place them near the center of the area needing coverage, away from obstructions like HVAC ducts or thick walls. Run SC-400 coaxial cable from each antenna to the appropriate ports on the Remote Unit. Use the included compression connectors to terminate cables if needed.

Aim for maximum antenna isolation by spacing antennas as far as possible from the outdoor unit — both vertically and horizontally.

Step 4: Power Up and Optimize

Once all connections are made, plug in the power supplies for both the Master and Remote Units. The Master Unit requires 48VDC and the Remote Unit uses 24VDC. Use surge-protected outlets and avoid switching power sources.

Download the SureCall mobile app to check system status, view signal levels, and fine-tune antenna direction. You can also access remote performance data through SureCall Cloud IoT if you’ve activated the system online.

Product Documents

Specifications

  • SKU
    SC-MaxFiberMURU
  • UPC
    850043816935
  • Impedance
    50 Ohm
  • RF Connectors
    SC UPC Female
  • Warranty Length
    3-Year Manufacturer's Warranty

Regulatory Advisories

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. 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.

Payment & Security

Shop with Confidence

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

At SureCall Signal Booster, we prioritize your security and privacy above all else. Our secure payment system uses advanced encryption and fraud detection technology to protect your personal information and ensure a safe, hassle-free shopping experience.

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SureCall SignalMax Fiber DAS Signal Booster

$12,950.00

What You Should Know

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Uplink Frequency Ranges (MHz)

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Impedance

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RF Connectors

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Power Supply

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