Travel 3.0 Car


  • Best for passenger cars, vans, and SUVs
  • Coverage for entire vehicles and multiple users
  • Better stability with an upgraded amplifier
  • All phones on all US carriers
  • 5G Compatible
    20%OFF  | CODE:HOT20

Networks : 3G, 4G LTE, 5G

Coverage : cars, vans, and SUVs

Max.Gain : 50 dB


What Our Customers Have to Say

Max.Gain : 50 dB


For Cars, SUVs

Clearer Calls

Faster Data

All Carriers

5G Compatible

Get constant cellular connectivity on the road

Introducing the Travel 3.0 Car cell phone signal booster kit—an upgrade from the successful Travel 4G 2.0. Designed with a high-powered amplifier and enhanced features, this booster ensures improved signal stability for calls, texts, and data, even in challenging areas. The durable metal construction provides impact protection, while the dual-sided silicone and hollow design enhances heat dissipation. Upgrade to Travel 3.0 Car for more stable and reliable on-the-road connectivity, with improved call quality and faster data speeds.

How HiBoost Booster Works?

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

Step 2: The booster amplifies the signal and the inside antenna rebroadcasts the enhanced signal throughout the RV

Upgrade outside antenna

hiboost cell phone booster for rv

Amplifying cellular signal

Rebroadcasting stronger signal

Enjoy stronger signal

HiBoost SignalSupervisor APP

find outdoor signal

Help Locate the Best Outdoor Signal

Find out nearby cell tower and get the strongest signal by adjusting the direction of the outdoor antenna and watching the signal gauge of the Hiboost signal APP.

hiboost app

Real-Time Signal Monitoring

You can remotely monitor the data performance of your Hiboost device through the APP, including the signal gain, working status, etc.


It works for Band 12-17/Band 13/ Band 5/ Band 25-2/ Band 4.

CDMA, WCDMA, GSM, EDGE, HSPA+, EVDO, LTE, 5G and all the cellular standards.

It’s suitable for all the U.S carriers, including AT&T, Verizon, US cellular, and T Mobile.

It’s a complete kit that comes with everything you need for the installation.

HiBoost requires more than 1 bar of available outdoor signal. It’s recommended to test your outdoor signal strength before purchase.

If you decide to return your Hiboost cell phone booster kit within 30 days, please email at or call us at 1-972-870-5666 and we’d be happy to help assist you with the the return and refund proces. Please kindly note that we only accept the complete kit that is originally sent.


The HiBoost Travel 3.0 Car is easy to install. Everything is included in the kit. Our technical support are happy to assist if you have any questions. Call 972-870-5666 or email

Download the HiBoost Travel 3.0 Car User Manual(pdf)

Download the HiBoost Travel 3.0 Car Data Sheet(pdf)

Download the HiBoost Travel 3.0 RV Quick Start Guide(pdf)

Download the HiBoost Travel 2.0 RV Images


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


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


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


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


50 dB

Maximium Output Power

UL 22 dBm, DL 0 dBm

I/O port

RPSMA-K / SMA-Female


50 ohm

Environment Condition



6.5 x 4.7 x 1.9 in


≥ 2.6 lbs / 1.2 kg

Power Supply

Input DC12-24V, Output DC12V-24V/3A
Input AC100-240V/1.5A, Output DC12V/3A

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