Acoustimeter AM11 RF Meter
Ghost Detector to help you locate spirits

Acoustimeter (AM11) Radiofrequency RF Meter


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The SpiritShack Acoustimeter (AM11) RF Meter is a professional and effective radio frequency meter created by EMFields.

The Acoustimeter (AM11) RF Meter by EMFields is a unique and high-tech piece of equipment and is designed for very precise measurement of radio signals which can be emitted from a range of devices.

This meter is unique because of its sound and is one of the best meters that we’ve found through numerous trials here as Spirit Shack that is able to paint a picture audibly. This piece of ghost hunting equipment works well because it is known amongst the ghost hunting community that spirits are able to manipulate many different types of an electrical signal, including radio. This makes this piece of equipment perfect for paranormal investigations, as it allows you to easily tell when there are fluctuations in radiofrequency.

Here at Spirit Shack, we are constantly testing our product line in order to bring you the best products in the world of ghost hunting. We have found the Acoustimeter (AM11) RF Meter to be great for any paranormal investigating, even if you do not have much experience.

How to use it:

Before you begin to use the Acoustimeter (AM11) RF Meter for ghost hunting, make sure to turn off any mobile phones or WiFi within the vicinity as they will affect the Acoustimeter.

You have the choice to turn the sound on or off depending on your preferences, and the volume can even be altered depending on your requirements and what other ghost hunting equipment you are using. Simply turn the volume all the way down with the easy-to-use buttons on the front of the device to get the sound to your preferred levels.

The front of the Acoustimeter (AM11) RF Meter shows readings via LEDs on the unit, which light up depending on the strength of the radiofrequency signal. It is a very sensitive piece of equipment.

The Acoustimeter is lightweight and small in design and comes with a handy and professional carry pouch allowing you to easily transport the piece of equipment alongside any other ghost hunting equipment.

What does the Acoustimeter (AM11) pick up?

  • FM Radio
  • VHF Television
  • UHF Television
  • Mobile Phones
  • GPS
  • Cell Towers
  • WIFI
  • Satellite Communications
  • 4G
  • Radiofrequency (RF)
  • Microwave


  • One of the most powerful radiofrequency (RF)/microwave detectors on the market
  • Suitable for 5G measurements
  • Fast response time as measurements are taken thousands of times per second
  • Peak and average signal strength displayed on a clear LED scale
  • Readings also numerically displayed on a clear LED scale
  • Readings numerically displayed on a bright “OLED” text screen
  • Can detect mobile phones, cordless phones, smart meters, WiFi and many other wireless devices
  • Suitable for anyone with severe electro-sensitivity as it is sensitive down to 0.02 V/m
  • Choice of an audible alarm that helps determine the source of exposure

The AM11 Acoustimeter is one of the most powerful radiofrequency (RF)/microwave detectors on the market. It measures peak and average radiofrequency signals, and uses a combination of LED lights located on the front of the device and also an audible alarm to alert you to changes in frequency.

The AM11 detects signals from almost all modern wireless technology, including mobile phones, cordless phones, smart meters and Wifi. This makes it a great addition to your ghost hunting kit, as it will show you when there are large fluctuations in any radiofrequency signals. These fluctuations could be the result of a paranormal entity, as it is known throughout the paranormal investigation community that spirits and ghosts are able to manipulate radio frequency, which would show ip on the device. This device also has an audio output, which can help to determine the source of the exposure.

The Acoustimeter allows you to quickly understand your environment in terms of RF (radiofrequency). The device accurately measures all incoming radiation from 200 MHz to 8000 MHz (8 GHz), and was designed using many years of real-life measurement experience. Here at Spirit Shack, we have also tested the device throughout many different paranormal investigations, and have found it to be a great tool.

Radiofrequency readings are shown on both a clear “OLED” text display and also two sets of LED lights. The LEDs on the device update rapidly, helping you to find any hot spots within the area you are conducting your paranormal investigation. Sound samples are available to help you identify what kind of signal your Acoustimeter is measuring, allowing you to become more informed with some practice. The sounds made by different devices change with time, so these are a rough guide only.

You may notice a slight hissing noise when no LEDs are lit. This is normal, and is from the internal workings of the Acoustimeter, and is therefore of no concern.

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