Wilson 4G Marine Antenna w/SMB Connector Bundle - 304420-B
Wilson 4G Marine Antenna w/SMB Connector Bundle
Item: #304420-BWide-bandSMB-FemaleOmni-directional

Wilson 4G Marine Antenna w/SMB Connector Bundle - 304420-B

In stock. Ships same or next business day.
FREE Standard Shipping. Expedited Shipping available.
Lifetime Technical Support.
90 Day Money Back Guarantee.
2 (Two) Year Warranty.
  • Work with weBoost Drive Sleek 4G Booster
  • Omni-directional 4G antenna.
  • Designed as a boat exterior antenna.
  • Weather resistant and easy installation.
  • Most powerful marine antenna.

Product Details

Wilson 4G Marine Antenna with SMB Connector Bundle

No more annoying dropped calls, poor call quality & slow Internet!

This exclusive 4G Wide-band Omni Marine Antenna with a SMB-Female to SMA-Female bundle is created to connect the marine antenna with the new weBoost Drive Sleek 4G Booster.

  • Omni-directional 4G antenna.
  • Designed as a boat exterior antenna.
  • Weather resistant and easy installation.
  • Most powerful marine antenna.

The Wilson 4G Wide-band Omni-Directional Marine Antenna is a 50 Ohm antenna used to pull in existing 3G & 4G LTE signals from your nearest cell tower source. Its rugged design makes it weather resistant. The antenna is capable of covering all frequencies from 698 MHz to 2.7 GHz.

Designed for boats, yachts, and other marine vehicles.

Backed by a 2-year manufacturer warranty, 24-hour US-based customer support (Texas!), 30-day better signal or money back guarantee, and lifetime technical support.

Goodbye, no-signal frustrations.

What's included in the kit?

Each kit comes with everything you need for a complete installation.

Wide Band Marine Antenna with 20 Feet RG58 CableItem # 304420
SMB connector
SMB Female to SMA Female Connector

Product Specifications

The Wilson 4G Wideband Omni-Directional Marine Antenna is a simple, effective solution to maintain continuous communication for all cellular-enabled devices – smartphones, tablets, etc - in your truck, RV, or heavy-duty vehicle.

FREQUENCY 700-800 MHz: 3.4 dB;
824-894 MHz: 4.1 dB;
880-960 MHz: 3.5 dB;
1710-1880 MHz: 3.1 dB;
1850-1990 MHz: 5.1 dB;
2110-2170 MHz: 0.2 dB
MAX POWER 100 Watts
CABLE 20 Feet RG58
MOUNTING Standard Marine Mount: 1"x14 Thread
DIMENSIONS 2.5" x 9.8"
304420 Spec SheetSpecification Sheet (PDF)

Installation Instructions: Videos


Part 1 of 6:
Where to Install Your Booster.

Part 2 of 6:
Installing the Outside Antenna.

Part 3 of 6:
Running Cable into Your Home.

Part 4 of 6:
Installing the Inside Antenna.

Part 5 of 6:
Installing the Booster.

Part 6 of 6:
Troubleshooting & Checking Your Signal.


If you have questions or require assistance, please call our customer and tech support at 1-800-568-2723 or email at sales@WilsonAmplifiers.com. We will be happy to assist you in every step of the way.


We're in the business of providing reliable connection– not selling boxes, not selling snake oil, and definitely not losing your trust.

First 100% Guarantee: We provide a 90 Day Money Back Guarantee on all new weBoost products and a 30 Day Money Back Guarantee on all new Wilson Pro products. All refurbished units come with a 90 day money back guarantee. No other company does that. Take your time and make sure you’re happy with the solution. We’re here to support you if you have any questions. That's the Wilson Amplifiers difference.

Second 100% Guarantee: Anytime during your 2-year manufacturer's warranty (1 year for refurbished/renewed), should your unit not perform to its usual standards, contact us, and we'll take care of it. We're not here for the one-time sale. We're here for the lifetime supporter. We want to be loved.

Third 100% Guarantee: Lifetime technical support. You’re our guest. Whether it’s finding cell tower locations, learning about new cellular technology, or asking about installations, we’re here to help. We’re also fond of football debates and talking about all things food.

Oh, and we also provide FREE shipping for everything 😉