4K Smart Link


The 4K Smart Link cell phone booster improves 3G & 4G LTE by amplifying existing outside signals. It amplifies outdoor signals in small homes and offices with very weak signal reception.

Rated 4.64 out of 5 based on 14 customer ratings
(14 customer reviews)

Networks : Band 12, Band 13, Band 5, Band 25/2, Band 4

Coverage : 1,000 - 4,000 Sq. Feet

Max.Gain : 60 dB

  • Powerful and expandable antenna system
  • Quality carrier grade design with sleek LCD display
  • Fine-tune max. power by HiBoost App
  • Compatible with multiple users and devices
  • Works with all US and Canadian carriers


Best Price Guaranteed

We will compensate you the difference if you find a lower price.

We will compensate you the difference if you find a lower price.

What coverage to expect from the HiBoost 4K Smart Link


1,000 sq.ft.

With 2 bars of outside signal

Signal (3)

2,500 sq.ft.

With 3 to 4 bars of outside signal

Signal (2)

4,000 sq.ft.

With 5 bars of outside signal

Need larger signal coverage? Check 10K Smart Link

Support All US and Canadian Carriers

AT&T, Sprint, T-mobile, Verizon, US Cellular, Straight Talk, C-Spire, MetroPCS, Tracfone, Cricket, Rogers, and more…

 Powerful Indoor Panel Antenna

Delivers the outdoor signal into homes and offices in suffering from terrible indoor cell signal reception. Enhances cell phone signals up to 4,000 sq. ft. coverage areas.


Expandable Signal Coverage

Wanna customize your own signal coverage area? Add extra indoor panel antennas to extend signal coverage for multiple rooms.

Add a panel antenna
apple app store
Google play store

♥ Optimize Antenna System

Provide Signal Meter Tools to locate the best signal receiving directions for the outdoor antenna installation.

Remote Monitoring

Allow you to control your booster and see its performance directly from your phone or tablet at any time from anywhere.

Dedicated Technical Support

Receive online assistance from competent tech experts as long as you get in trouble with your booster.

4K Smart Link-LCD

Separated Antenna Ports

Ports for connecting the indoor antenna and outdoor antenna are distributed up and down separately. Reduce the cable cross and keep it tidy and clean.

High-Performance Cables

The low-loss coaxial cable is equipped with industry standard Type-N connectors, protecting the signal system from rain, dirt and dust.

4K Smart Link Side View

True Heat Sink Design

Its integral aluminum fin design helps dissipate heat while in operation. This allows the booster to maximize its performance.

How It Works

HIBOOST-4K SM-how-it-works-1

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

HiBoost-4K SM-how-it-works-2

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

HIBOOST-4K SM-how-it-works-3

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

HIBOOST-4K SM-how-it-works-4

4. This is the moment! Your mobile phone receives a strong signal and you enjoy seamless calls and data!

Application Scenarios







metal buildings

Metal building




Working Bands

Band 12 / Band 13 / Band 5/ Band 25-2 / Band 4

UL Frequency Range

698-716 / 776-787 / 824-849 / 1850-1915 / 1710-1755

DL Frequency Range

728-746 / 746-757 / 869-894 / 1930-1995 / 2110-2155

Supported Standards

CDMA, WCDMA, GSM, EDGE, HSPA+, EVDO, LTE and all other cellular standards

Maximum Gain


Maximium Output Power

UL 24 dBm, DL 10 dBm

MGC(Step Attenuation)

≥ 25 dB/ 1 dB step

I/O port



50 ohm

Environment Condition



8.6 in×6.5 in ×2 in /218 mm×165 mm×50 mm


≥ 5.0 lb / 2.2 kg

Power Supply

Input AC 100~240 V, 50/60 Hz, Output DC 12 V/3 A


Customer Also Viewed Similar Items

10K Smart Link


Networks : Band 12, Band 13, Band 5, Band 25/2, Band 4

Coverage : 4,000 - 10,000 Sq. Feet

Max.Gain : 65 dB

15K Smart Link


Networks : Band 12, Band 13, Band 5, Band 25/2, Band 4

Coverage : 7,000-15,000 Sq. Feet

Max.Gain : 70 dB

4K Plus Pro


Networks : Band 12/17, Band 13, Band 5, Band 25/2, Band 4

Coverage : 3,000 - 6,000 Sq. Feet

Max.Gain : 65 dB

Product Reviews


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