Antop “Big Boy” AT-401BV Outdoor HDTV Antenna | Smartpass Amplified


• New Generation digital tech design: matches mechanical antennas
• Enhancer Rods to strengthen VHF reception
• UV coating, weather resistant finish
• Whole-house solution: Can feed multiple TVs
• Smartpass technology amplifies range from 0, 65 to 75 miles
• 4G LTE Filter: blocks unwanted 3G and 4G signals
• Multi-directional reception for weak signal strength areas
• Easy home exterior installation: desktop, wall, roof, balcony
• Size: 7.09 X 5.12 X 23.62 inch

In stock (can be backordered)

AT-400B description


Outdoor HDTV Antennas Redefined Bringing an aesthetically clean design, new digital tech, and a crystal-clear TV reception to your home.

Meet the Antop “Big Boy” Outdoor HDTV Digital Antenna, AT-401BV

The perfect combination of classic Yagi antenna engineering and new digital technology.
Features a signal range of up to 65 miles, a multi-directional pattern,
and receives all the free local Over-the-Air digital you want.
Includes VHF Enhancer Rods to strengthen VHF reception.
AT-400B description

Designed to save you money by providing FREE crystal-clear HDTV

AT-400B description
AT-400B description

VHF Enhanced Rods

Enhance signal reception


Outdoor Antenna

AT-400B description

Simple Set-up

The simple set-up design enables you to quickly install and easily connect within minutes. The “Big Boy” offers an installation kit and table top stand for multiple positioning options.
AT-400B description

Durable Exterior & Weather Resistant

UV coated, weather resistant exterior design combined with anti-interference internal tech
protects signal reception to provide clear pictures and full channel capacity even during inclement weather.
AT-400B description

Stable reception always keeps you connected to the latest local news

Plug and play. The Antop AT-401V Flat Panel “Big Boy” enables you to enjoy a wide range of crisp and clear free HDTV channels.
AT-400B description

Stylish Design

Flat Panel “Big Boy”, exactly what you need and nothing you don’t. It’s sleek and compact design blends in with the interior or exterior of your home.
AT-400B description


Combining style and the latest in digital antenna tech to create a crystal-clear HDTV viewing experience.
AT-400B description

A Keeper

Engineered to pick up both UHF and VHF frequencies in difficult reception areas and powerful enough to feed multiple TVs throughout your home.
What's in box

Indoor, Outdoor, Attic, RV

Signal Strength

Weak Signal Areas

Received Band


Reception Pattern



Smartpass Amplified

Frequency Range

47-230MHz, 470-700MHz


Switch OFF: 12.5dB; Switch ON: 29dB

Max Output level


Noise Figure




Power Supply

DC12V via power adapter

Cable Length


Product Series

"Big Boy"

Working Temperature Range

-104 to 140 ℉

Wind Figures

6 mile/h = 0.52N ; 10 mile/h = 1.88N





Consumer Packaging
Weight 8.63 lbs
Dimensions 25.31 × 8.27 × 7.48 in
ANTOP User Manual
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