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ANTOP “Big Boy” AT-402B Outdoor HDTV Antenna | Smartpass Amplified

Rated 5.00 out of 5 based on 3 customer ratings
(3 customer reviews)

$164.99 $123.99

Free Ground Shipping
30 Day Money Back Guarantee
1 Year Parts & Labor Warranty

• New Generation digital tech design: matches mechanical antennas
• UV coating, weather resistant finish
• Whole-house solution: Can feed multiple TVs
• Smartpass technology amplifies range from 0, 60 to 70 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: 4.53 X 5.12 X 23.82 inch

99 in stock (can be backordered)

SKU: AT-402B

    AT-402B outdoor antenna


    The ANTOP Flat-Panel AT-402B panel design is aesthetically pleasing and suitable to match a wide range of home exterior styles. The Multi-directional reception, UV coating and weather resistant finish and creative panel design, allow you to install your AT-402B antenna in various locations around the exterior of your home: roof, balcony. It is also suitable for indoor use in an attic or placed on a table top. The AT-402B supports HDTV, 1080P TV and 4K ULTRA HD and is compatible with TV converter boxes or digital TVs.

    The number of TV channels and programs that you can receive for FREE depends on the amount of over-the-air broadcasters in your area. With the ANTOP AT-402B, there is no monthly fee and no need to subscribe. Just plug into a TV, scan the channels, and then enjoy your TV shows!

    ANTOP’s New Generation Digital Technology

    smartpass amplifier1) Smartpass Amplifier, exclusive ANTOP technology, balances reception range.

    The Smartpass Amplifier’s all-in-one design allows easier connection, delivers correct balance between short and long range reception. It must be powered in order to function. Push the smart switch On or Off and select the switching with which more channels are received.
    2) 4G LTE Filter: built into all ANTOP amplified antennas, blocks 3G and 4G wireless signals for noise-free digital reception.
    3) High Gain reception technology, shielded for minimum interference.
    4) Durable exterior, waterproof design with UV coating.
    5) Supports VHF & UHF digital signals.
    6) Mounting accessory options.

    By following the simple tips below, you can enjoy FREE TV with your ANTOP Antenna:

    – Re-scan the channels after each switching of the Smart Switch.
    – Scan channels monthly to find all available channels including newly added or changed.
    – Do not place or hide the antenna in/behind any metallic objects.
    – Install the antenna as high as possible and near a window for better reception.
    – Keep the antenna away from any high power consumption devices to avoid interference.

    NOTE: Antenna effectiveness is influenced by the distance from signal origination point, station signal strength level, building construction, antenna positioning, reflections from nearby structures and any power consumption sources. The amount of free over-the-air channels you can receive will vary by area and antenna selection, check signal availability at ANTOP Signalmaps.

    What’s in the box

    – AT-402B FLAT PANEL Smartpass Amplified Digital Outdoor/Indoor TV Antenna
    – Power Inserter with Smart Switch
    – AC/DC Power Adapter
    – Indoor Stand<
    – 40ft Coaxial Cable
    – Pole Mounting Kits
    – Instruction/User Manual
    – Instrucciones de Instalación en Español




    Indoor, Outdoor, Attic, RV

    Signal Strength

    Weak Signal Areas

    Received Band



    Smartpass Amplified

    Frequency Range

    87.5-230MHz, 470-700MHz


    Switch-OFF: 12.5dB; Switch-ON: 29dB

    Max Output level


    Noise Figure

    100dBuV Max



    Power Supply

    DC12V via power adapter

    Cable Length


    Product Series

    Flat Panel

    Working Temperature Range

    -104 to 140 ℉




    Weight6.01 lbs
    Dimensions6.93 x 5.75 x 26.77 in
    Customer Reviews

    5 out of 5 stars

    3 reviews

    Let us know what you think...

    What others are saying
    1. Rated 5 out of 5

      Excellent price for an excellent product. It pulls in many more channels than my old one. The price was right. Easily installs on attic. Has everything you need in the box.

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    2. Rated 5 out of 5
      maybe 1/2 inch to get a better signal. Weather doesn't seem to affect it at ...

      I’ve tried most of the indoor antennas. We live in a difficult to reach area – the closest tower is almost 50 miles away. And towers are scattered in all directions. I use this antenna indoors, it sits on a windowsill on the second floor. Gives clear HD picture and doesn’t really require any tweaking, maybe 1/2 inch to get a better signal. Weather doesn’t seem to affect it at all. Now I can watch ALL the channels that are available in my area, plus couple that are not even supposed to be ‘catchable’ in our area ????

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    3. Rated 5 out of 5
      Simply amazing!

      I mounted the antenna 10 feet above the highest point on my roof by using a 10 foot pole mounted to my chimney. I did a channel scan after it was installed and was able to get 65 FREE channels. I was able to get all of the local major networks. Also make sure that when you are searching for channels after it is installed, that you experiment with different directions as well as different plains (vertical vs. horizontal). I had to go up on the roof several times to make adjustments, talking on a cell phones to somebody down below on a cell phone watching the TV, for an optimum picture for specific channels that I wanted to receive. After each position, you will need to re-scan your TV to find out if you have more or less channels. There are websites to find out where and what direction the antenna should for stations. Amazon will not let me list this website. This allowed me to get an approximate direction that the antenna should be to receive that station. Note: I was able to get best results with the antenna sitting vertical, not horizontal.

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