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HiBoost Ultra Signal Cell Phone Signal Booster for Up to 10K Sq. Ft.

SKU: 99F20K-5S-BTW

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  • 65 dB Max Gain
  • Boost 4G LTE, 5G Ready
  • Covers up to 10,000 square feet
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HiBoost Ultra Signal Cell Phone Signal Booster for Up to 10K Sq. Ft.

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Cell Signal Booster for Medium to Large Homes.

The HiBoost Ultra Signal boosts signal. It is ideal for medium-to-large home or offices from 4,000 to 10,000 square feet. The HiBoost Signal Booster has up to +65 dB gain of amplification, and it significantly improves 3G and 4G LTE signals for all your wireless devices.

Booster More Than Just Cellular with the HiBoost Ultra Signal

The HiBoost Ultra Signal enables you to boost your cellular connectivity and your productivity. You can now stay connected with those who matter most. You do not need a Wi-Fi connection, and there is no monthly fee.

Set-up and Monitor Using the Signal Supervisor App

HiBoost Ultra provides you with an all-in-one signal assistant - the Signal Supervisor App. This user-friendly app has awesome features like simple installation, remote monitoring, and technical support.

How Does It Work?

1. The Outdoor antenna picks up signal from the nearest cell tower and sends it to the booster.

2. The booster amplifies signal and transmits it to the indoor panel antenna.

3. The indoor panel antenna broadcasts enhanced signal throughout the desired are.

4. Your mobile phone receives a strong signal, and you enjoy seamless calls and data!

Product Details
Enjoy clear calls.
Faster data
Extended coverage
Improved hotspots.
3-year warranty.
Works with all phone and carriers, and is ideal for up to 10,000 sq. Feet areas.
Who Is It For

It is a good solution for multi-rooms and medium-to-large homes.

Technical Specifications
HiBoost Ultra Signal
Frequencies - Uplink 698-716 / 776-787 / 824-849 / 1850-1915 / 1710-1755
Frequencies - Downlink 728-746 / 746-757 / 869-894 / 1930-1995 / 2110-2155
Supported Standards CDMA, WCDMA, GSM, EDGE, HSPA+, EVDO, LTE and all other cellular standards
Input / Output Impedance 50 Ohms
Maximum Gain Cellular - 60 dB
AC Power Transmitter Input AC 100~240 V, 50/60 Hz, Output DC 12 V/3 A
Cable RG6 / SC-240
Connector F-Female
Dimensions 8.6 in×6.5 in ×2 in
Weight 2 lb 3 oz


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.

How To Install

Installing the HiBoost Ultra Signal is simple. There are five steps:

Install Outside Antenna.

Connect to the Amplifiers.

Install Inside Antenna.

Connect all with cables.

Power on.

You will need to first locate the spot where outside signal is the best. Walk around your home and check the number of bars on your phone or smarthphone app. This is one of the most important steps in the process.

Install the outside antenna in the desired area, as high as you can.

Connect the otuside antenna to the amplifier using the 50 ft outdoor cable.

Once this is done, connect the inside antenna to the to amplifier using the 50 ft indoor cable.

Ensure that there is enough space between the two antennas to prevent oscillation. (Vertical: 20 feet, Horizontal: 50 feet).

Simply plug in the amplifier to the power supply. Once you see the green lights, that means Go.

Any questions about installation? Please call: 1-800-470-6777

Frequently Asked Questions

Will the HiBoost Ultra Signal Work With 5G?

The HiBoost Ultra Signal does not boost 5G frequencies. However, it will enhance talk, text and data for all 5G/4G cellular devices over 4G frequencies.

Is There a Limit to How Many users a HiBoost Ultra Signal Can Support?

No. Multiple users using various carriers can access the booster simultaneously.

How many indoor antennas can be used with the HiBoost Ultra Signal?

As many as two indoor antennas can be used.

How Do I Set Up the Signal Supervisor App?

Download the Signal Supervisor app. Then, register on the app. Switch on the booster (with the included Bluetooth/Wifi antenna attached, and then click "Add Device" to register the booster into the app.

Can I Use the HiBoost Ultra Signal Without downloading the app?

The app is optional. If you do not want to download it, you do not have to. The app does, however, provide simpler installation, remote monitoring, and convenient technical support.

What is the Return policy?

We offer a 30-Day Money-Back Guarantee. If you decide to return the HiBoost Ultra Signal within the 30-day window, please email us at, call us at 1-800-470-6777, or chat with us. We'd be happy to help.

Customer Reviews