AVTEX STH4000 High Gain Digital TV Antenna

£39.99(inc VAT) £54.99
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  Product Description
The Avtex STH4000 High Gain Digital TV Antenna is an all new STH4000 boosted antenna (formerly the STH3000) with LTE filtering which is designed specifically for use with digital televisions. The Avtex Digital TV Antenna is light weight, compact and very easy to use. With its unique flexible mounting system, the Digital TV Antenna can be installed indoors or outdoors in seconds. The integrated amplifier can be powered by the antenna power out function found on many set-top boxes and most Avtex digital televisions. Alternatively, the STH4000 uses a 5 volt power inserter to power the antenna from the TV’s USB port (included) and is perfect for caravans and motorhomes.

Avtex STH4000 Suction Mounted 12v / 24v boosted TV Aerial Features


  • High gain TV aerial
  • Directional
  • LTE (5G) integrated protection filtering
  • Built-in low noise amplifier
  • Can be powered from USB connection
  • 2-way power source (TV antenna power out or 5v power inserter included)
  • Flexible suction mount (similar to GPS wind screen mount) – no need to drill holes
  • Pole or wall mounting bracket also supplied
  • UV resistant housing
  • Water resistant
  • Lightweight
  • Indoor/Outdoor
EAN-13 : 5060133021865

97 Customer Reviews on AVTEX STH4000 High Gain Digital TV Antenna

Product arrived by return of post.

by Mr Mike Goodman (24 Dec 2025)
5 star review(5/5)
Product arrived by return of post.
Excellent service.

Awesome

by Mr Newlands (12 Oct 2025)
5 star review(5/5)
Excellent product. Works great

Antenna Report

by james peet (26 Jun 2023)
4 star review(4/5)
I have just been to Yorkshire and tested the Antenna for the first time and it worked just as advertised

Avtex High Gain Digital Antenna

by Mr McMillan (15 May 2023)
5 star review(5/5)
Saw this on a user group with good reviews.
So decided to purchase glad I did.
It does exactly what it say's it will do.
Excellent product excellent service almost round.

Miss

by Karen Newton (01 May 2023)
4 star review(4/5)
Bought this as had new tv for campervan over 18 months ago and previous Avtex STH3000 wouldn’t work. Found out that with new digital TVs I needed this one. I have purchased numerous other makes in the meantime without any success. Have tried in the house and works fine so will wait and see if it works on site....

Avtex aerial - great

by Steven Holland (08 Apr 2022)
5 star review(5/5)
Avtex aerial - great piece of kit. Works very well.
Competitive price and very quick delivery.

Recommended

by J Taylor, Manchester. (27 Oct 2021)
5 star review(5/5)
Good price and speedy transaction. Really improved picture. Highly recommended

Aerial

by Jeff (17 Oct 2021)
5 star review(5/5)
Brill , worked a treat with my Avtex tv

Brilliant Signal

by Deb (23 Jul 2021)
5 star review(5/5)
Brilĺiant service and no problem getting signal straight away

Avtex STH 3000 Aerial - Pleased With It!

by Jean Brown (13 Jul 2021)
5 star review(5/5)
arrived a day early, a bonus as we were in a rush.

Excellent Tv Arial

by K Johnson (14 Jun 2021)
5 star review(5/5)
I enjoy watching tv when we arrive on a motorhome site and tune the tv sometimes we get very few tv programs with bad reception the Avtex arial in Comparison to the motorhome arial is a lot better I would recommend the Avtex

Excelent

by Brian Michael Rose (07 Mar 2021)
5 star review(5/5)
bought this product and something else delivered very fast great communication very pleased and super fast delivery

It Really Is A Good Aerial I Shall Probably Buy Another At Some Time

by Alistair (06 Oct 2019)
5 star review(5/5)
Suction power wasn't too good on this but hey ho you can get a signal in poor areas!!

Does Exactly What It Says

by Andy (03 Oct 2019)
4 star review(4/5)
Works on caravan anywhere

Great

by Martin Tolley (29 Sep 2019)
5 star review(5/5)
great item easy to install and gave a perfect signal

Very Good With Avex Tv In Campervan.

by Barley53 (17 Sep 2019)
4 star review(4/5)
Bought in conjunction with Avtex tv, worked great stuck on the outside of my campervan around Scotland, Orkney and the Shetland Isles in all weathers, consistently 160+ channels. I'd advise putting a bit of clear waterproof sealant over the joints as I'm not convinced it will keep the rain out over time.

Quite Good Signal

by Stephen Morland (09 Sep 2019)
4 star review(4/5)
Stand breaks for the aerial

Does What It Says On The Tin

by Will Patten (06 Sep 2019)
5 star review(5/5)
Good quality, easy to use and well made. What more can you ask for!

Easy And Quick

by R D Jones (22 Aug 2019)
5 star review(5/5)
Works really well when can't receive satalite signal, easy to set up, highly recommended

It Works Anywhere

by Paul Carroll (09 Aug 2019)
5 star review(5/5)
Works very well with tv anywhere great reception for my camper van
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If you’ve changed your mind about keeping your purchase, please return it in its original condition with proof of purchase and we’ll exchange or refund it. Unless faulty, this should be within 100 days of receiving your order. By original condition, we’d expect this to mean that you’ve kept packaging and labels, and that the item is undamaged and unused.

For further information of how to return your item, please visit the "Returning an Unwanted/Faulty/Damaged Item" section on our Help Page.
  Did you know we have been established and have been in the caravan and motorhome industry for over 50 years?
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