SKU: 30113729608
set top box signal booster

set top box signal booster AT&T Signal Booster for Home, Office, Building

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Description

set top box signal booster AT&T Signal Booster for Home, Office, BuildingRefurbished AT&T 3G, 4G, LTE, 5G E Signal Booster for Home Office Building made by SureCall. EZ 4G LTE ATT cell phone signal booster for homes, offices, apartments up to 2,000 square feet. It is a certified factory tested unit to work as stated to boost AT&T network reception. This lightly used but like new factory refurb. signal booster kit performs per manufacturer specifications, and saves you money! This easy install window cell signal booster is

Refurbished AT&T 3G, 4G, LTE, 5G-E Signal Booster for Home Office Building made by SureCall. EZ-4G LTE ATT cell phone signal booster for homes, offices, apartments up to 2,000 square feet. It is a certified factory tested unit to work as stated to boost AT&T network reception. This lightly used but like-new factory refurb. signal booster kit performs per manufacturer specifications, and saves you money!

This easy install window cell signal booster is ideal for apartments, basements, offices that have no access to roof but strong AT&T Wireless signal at least in one spot, probably near a window. If no AT&T signal anywhere indoors, we do not recommend this kit because it will not work for you. If there's very weak signal or no signal everywhere indoors, we highly recommend FCC Certified Signal Booster for AT&T with External Antenna that should work if there's at least some AT&T cell signal outside where you can place exterior antenna.

In addition to this in-building kit, we carry vehicle cell phone signal booster for AT&T. Buy them both to enjoy better AT&T Wireless coverage reception in home/ office, as well as in car/ truck.

In many cases, these atandt signal booster kits are open-box and/ or clearance items that have been factory reconditioned to perform as well as original non-refurbished kits. Rest assured, it includes 1 year manufacturer's warranty and we provide market leading 60 days money back guarantee for this refurb. cellular amplifier kit.

Sure Call EZ 4G boosts cellular signal indoors for all North American carriers including AT&T Wireless without the need to drill holes or mount an antenna outside. SureCall EZ4G cell phone signal booster for home, office, or apartment is an incredibly simple yet effective wireless booster system that allows multiple users to enjoy increased reception simultaneously.

It is designed to be installed within minutes, and features a plug-and-play action that does not require installation of an exterior antenna. Despite this, it is still powerful enough to boost reception of voice calls, text, 3G, and 4G LTE on AT&T Wireless Network for over 1-2 rooms with its built-in antenna for all ATT network mobile users within up to 2k sq. ft. range.

It helps reduce the number of missed and dropped calls, increase data speed, and improve overall cell phone signal with ease. It is the easiest way to boost your AT&T cellular signal, 3G and 4G LTE performance.

Top Features!

Improves cellular reception in 1 to 2 rooms. No rooftop antenna required. Enhances voice, 3G, 4G LTE, 5G E signal strength. Cuts down on instances of dropped calls and poor conversation quality. Increases speeds of texting, email, Internet and streaming - Supports multiple simultaneous users. Can be installed in 15 minutes.

How Does It Work?

With the SureCall EZ 4G Five-Band Home Cellular Signal Booster, you place a large round antenna by the window of the room where you have good reception and want to improve reception farther away. The window antenna receives the signals broadcasted by all of the carriers from all of the cell phone towers in the area and then amplifies them by up to 72 decibels. The amplified signals are transmitted in the room by a desktop unit that must be positioned at least 30 feet away from the window receiver where there's weak signal you want to improve. AT&T smart phones, tablets, mobile hotspots, and all other cellular devices then receive the signals from their specific carriers.

Summary:

  1. An antenna built into the back of the booster communicates with the cell tower while it sits in your window (either booster attached directly to window glass using the provided adhesive, or placed on the stand provided to set the booster on the window sill).
  2. The booster amplifies the existing cell signal and sends it to the tabletop antenna.
  3. The table-top antenna rebroadcasts the signal indoors to all ATT and all other service provider mobile devices within range.
  4. The booster amplifies outgoing cell signal back to the tower.

What Does It Work With?

You can use the SureCall EZ 4G Five-Band Home Cellular Signal Booster with:

Any ATT smartphone, tablet, mobile hotspots like MiFi, and any AT T cellular device with a SIM card in it with 3G, 4G LTE, 5GE connectivity. Furthermore, it works on any USA cell carrier network. The system works with all 700 MHz, 850 MHz, 1900 Mhz, and AWS 1700/ 2100 MHz frequencies.

Other Product Information.

UPC: 697691010830. Dimensions are 9.25" x 17" x 14.65". Weighs 4 pounds.

Highlights:

  • Like-new factory refurbished unit performs per specs. and saves you money.
  • Boosts Voice, Text, 3G, 4G and LTE Signals for All USA Cellular Carriers.
  • Reduces Dropped and Missed Calls. Improves 3G and 4G LTE Wireless Data Transfer Speeds.
  • No Outside Antenna Placement Required. Simple Plug and Play Installation and Set-up.
  • Covers one to two rooms of a home or small office, up to 2,000 square feet.
  • Supports multiple cellular users and devices like phones, tablets, etc. simultaneously.
  • Non-intrusive indoor antenna instead of difficult to install exterior antenna typical of booster kits.
  • Auto Gain Control certified by FCC to prevent any damage to carrier's towers.
  • Easy installation in less than 15 minutes.
  • Automatic oscillation detection and protection with automatic gain control feature.
  • Extends battery life of cellular devices because they no longer have to search for signal constantly.
  • No interference with cell tower, complying fully with all cellular carrier requirements.
  • Metal construction for durability and long life.
  • Stealth technology whereby uplink becomes dormant when not being used, enabling green power saving mode.
  • Industry leading three years manufacturers warranty.
  • Meets or exceeds IC and Federal Comminications Commission technical standards for cellular boosters in USA.

Refurbished cell phone signal booster kit includes:

  • EZ 4G Booster with built-in antenna collects and amplifies cell signal received from the cell tower. Includes removable stand for optional window mounting.
  • EZ 4G Desktop Antenna rebroadcasts the boosted cellular signal to multiple mobile devices.
  • 50 feet of RG-6 coax cable connects the EZ 4G Booster and the desktop antenna.
  • Wireless industry leading 3-year warranty.

This 2G, 3G, 4G LTE cellular signal booster kit is compatible with all USA wireless service providers.

Refurbished SureCall EZ 4G Bands and Frequencies.
FREQUENCY BAND 17 700 MHz
  BAND 13 700 MHz
  BAND 5 850 MHz
  BAND 4 1700/2100 MHz
  BAND 25/2 1900 MHz

Refurbished SureCall EZ-4G Specifications.

Frequency Uplink: 698-716 / 776-787 / 824-849 / 1850-1915 / 1710-1755 (G Block Included); Downlink : 728-746 / 746-757 / 869-894 / 1930-1995 / 2110-2155 (G Block Included).
Input/ Output Impedance 75 ohm.
Average Gain Cellular = 65dB / PCS = 72dB / LTE(A) = 63.5dB / LTE(V) = 64dB / AWS = 71dB.
Maximum Gain Cellular = 65dB / PCS = 72dB / LTE(A) = 63.5dB / LTE(V) = 64dB / AWS = 71dB
VSWR ≤2.0
Standard Supported CDMA, WCDMA, GSM, EDGE, HSPA+, EVDO, LTE and all cellular standards.
AC Power Transformer Input AC 110-240V, 50/60 Hz
Maximum RF Output Power 1 Watt EIRP
Noise Figure 7dB
Cable RG6
RF connectors F-Female on both ends
Power Consumption <10W
Dimensions 13" Diameter
Weight 2 lbs. 11 oz.

 

Product Summary.

Refurbished AT&T Wireless 4G LTE 5G-E Signal Booster - Made by SureCall:

  • Sets up in minutes - EASY plug and play installation.
  • Access to roof NOT required, outside antenna installation not needed.
  • Reduces dropped and missed calls and improves ATT 4G LTE & 5GE data speeds.
  • Covers 1-2 rooms of a home or small office, up to 2,000 sq. ft.
  • Supports multiple devices and users simultaneously.
  • Boosts talk, text, 3G, 4G LTE signals of all USA cell networks incl. AT&T.
  • Certified refurbished w/1 yr. warr. + 60 day money-back guarantee.
  • Ideal for apartments/ offices that have no access to roof but strong signal atleast in one spot, maybe near a window. If no signal anywhere indoors, we highly suggest FCC Certified AT&T Booster with Exterior Antenna.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 30113729608

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4.3 ★★★★★
Based on 11 reviews
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Product Reviews
P
Verified Purchase
Philip B. Corriveau
Dallas, US
★★★★★ 5
Solid, powerful, rechargeable
Color: Black
Very impressed with its weight, speed and performance. The dial is great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
C
Verified Purchase
Chief
Belleville, US
★★★★★ 4
Very nearly the perfect frother for all your basic frothing & mixing needs
Color: Black
There are a lot of middle-of-the-road frothers out there. I've been through a few of them in my recent search for something that could mix and froth well, without taking up any more outlets in my basement kitchen. Of the three Maestri frothers I've tried so far, this one wins the race by a nose. Most recently, these Maestri frothers come in basically three versions: A single-speed @ 8000 RPM, a two-speed @8000/5500 RPM, and this stepless variable-speed version. Aside from that, the only real difference in recent version pack-outs is which attachments they come with. Look over the reviews of the single-speed version and you'll find that while it can and does froth well, it starts at a single, high speed and gets there fast. This makes it pretty easy to spin liquid right out of most common cups and mugs. There is a two-speed version, but it's harder to find, only comes in one color (Grape Purple), and while it's much better than the Maestri single-speed, it still has a couple of quirks that make this variable-speed version win out. This mixes and froths whole milk, half-and-half, or heavy whipping cream, or just about anything else very well. Like all frothers, it takes a little time to learn its nuances and nail down the technique, this will definitely get you there. The best feature of this is easily the speed control. Turn the knob to turn it on at a low speed that's great to get things started, then turn the knob to crank up the speed just enough to do what you need, whether that's mixing or frothing. The low starting speed makes it easy to keep things under control without undue spilling, and the max speed is more than enough to make quick work of getting your froth on. There are really only two complaints I have with this stepless, variable speed version: - I'd really like to have a Press On / Release Off button in addition to the Speed Control knob. More than one time have I gone to turn this off, only to spin the knob the wrong way and crank the speed up to ludicrous, sloshing liquid on the counter. Being able to turn it Off just by letting go of the button would be quick and easy. This configuration would allow using a preferred speed right from the start, while still allowing speed to be adjusted on-the-fly when needed. - Give it a bigger battery. It would cost mere pennies to give this a 2000mAH+ instead of a 1200mAH battery, and I can't think of any reasonable downside to that. - Give the motor a little more torque. It's fairly easy for the current motor, at any speed, to get bogged down in a thick protein powder mix, or when pressing the frother or other attachment a bit too hard into the bottom or side of the frothing container. A bit more "oomph" would prevent that. I really like the overall design and features of thes Maestri frothers better than many other, cheaper versions. This variable-speed version is pretty great as it is and probably the one I would recommend over the single- or two-speed, for most people. But I often find myself using two hands -- one to hold it steady, and the other to turn it on and tweak the knob to the desired speed(s) -- for a device that should arguably need only one hand to use. Just a couple of minor tweaks as noted above would make this the overall best frother of its type that I've used.
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Reviewed in the United States on May 23, 2025
D
Verified Purchase
D. Smith
Chelsea, US
★★★★★ 5
Hands down, the BEST handheld frother I've ever used!
Color: Black
Hands down, the BEST handheld frother I've ever used! I got the black one, but any color will have the same results. Over the past 12 years or so, I've used so many different handheld frothers and they've ALL fallen short of expectations for quality, longevity, power, features, and usability. I've used everything from cheap, $15 models to $50+ models and everything in-between. Some with fancy attachments for various types of mixing, frothing, beating, whipping, etc. Some with rechargeable batteries, some without. Some AC powered, some with fixed whisks, some with detachable/replaceable whisks, some with stands, etc. NONE have been spectacular. Most broke within 6 months and got tossed. ALL were major disappointments in the end, including the "revered" Zulay models of which I tried several. I finally found this Maestri House branded, variable speed frother with detachable / replaceable whisks and got one to try. I was literally on Cloud Nine the first time I turned it on. Like, WOW! Not only was it FAST on the highest speed, but it was powerful enough to churn right through milk, eggs, cream, etc, without bogging down like many others. This thing makes milk froth like a milkshake and Matcha Lattes like nothing else I've ever experienced. I used to have to sift my Matcha, then whisk it in hot water, then froth milk and then blend them together to make the perfect latte. and if the milk was cold (my preference), pre-whisking in hot water was a must to avoid lumps. However, with THIS frother? I literally pour my milk into a tall tumbler, drop in un-sifted Matcha powder, and spin up the Maestri House frother at first on a medium low speed to get it mixed, then jump straight to the highest speed to really whip that milk and match up. After about 30-45 seconds, I've got the thickest, richest, smoothest, most aerated latte around. And NO LUMPS at all!!! What a time and dish saver! And cleaning? I just run it under hot running water to get the shaft cleaned and then spin it up in a dish with hot running water for a few moments, then spin it on high for a few seconds in the air to dry it off instantly. Now, I'll be honest here, too. The specs say it can go months on a charge, using it for a couple minutes a couple times daily. Well, I guess it could do that and still spin. But I use it FULL SPEED, churning hard for at least a minute a couple times per day. After about 2 weeks, I can start to notice a speed reduction so I just plug it back in on the charger. All things considered, this is still better than all the other handheld frothers I've used over the years. After using the heck out of this thing for the past 7 months, I've even decided to start selling these in our Japanese gift shop. The manufacturer is has been very responsive both in customer support (I called them about an issue I thought I was having, and they called me back with a couple hours even though I didn't leave voicemail when they didn't answer right away) and in reseller support. I have to give these guys an A+ for responsiveness and quick resolution when problems might arise. HIGHLY recommended!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 17, 2025
H
Verified Purchase
Hawaii Keith
Boise, US
★★★★★ 5
Great Addition!
Color: Black
Why did you pick this product vs others?: I just started a powdered drink routine recently and was having a difficult time mixing it with water. I would consistently end up with small nuggets of mix making it unenjoyable to drink. I knew I needed a mixer and was glad I found this device when I did. It works perfectly! I like the fact that it comes with its own stand and included two mixing heads. It is solid, well-designed, and you can feel the quality when you pick it up. The variable speed of the mixer is perfect for ensuring that everything is blended well. I haven’t used it to “froth” anything yet, at least not on purpose, but I accidentally found out that it can do that well. This is a great addition to our kitchen and is very easy to wash after use. So far…no issues. Highly recommend for those of you looking for the right tool to make sure those protein mixes aren’t full of unmixed nuggets.  
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Reviewed in the United States on June 21, 2025
S
Verified Purchase
Suzi blue
Waukegan, US
★★★★★ 4
Low foam
Color: Black
Love this frother. It is great quality and the turn speed is amazing. My only issue is this. It comes w 2 wands and they are both singles. The single is great for stirring things up. It does not make a lot of froth and for some things it’s perfect but sometimes I like a lot of froth and I wish it either came w a single and a double or you could purchase a double separately to intermix. I don’t want to buy a whole other unit just for the double. I wrote to them bc the double frother they sell doesn’t look as good as this one but sometimes a girl needs a lot of foam and sometimes th stirring is perfect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 20, 2026

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