Keyhole Radio

Keyhole Radio

100,000 - 500,000 downloads

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Powerful RF planning in your pocket.
See where your radio or repeater can communicate to with the Android version of the popular Google earth layer 'Keyhole Radio' from

NOTE: This app requires internet access and a valid email address to register a account.

The Android version allows free calculations up to 10km radius with premium options up to 50km.

TO USE: Pan the map to zoom to your transmit site then press your menu or keypad center buttons to access the 'calculate' form. Enter your device's parameters and click the big orange button to create your coverage. Settings and help are available in the app's menu.

Full user manual available in app menu or at


* Internet connection - to communicate with server.
* GPS - to locate your position for mobile users (opt in)


Tags: rf signal trial, rf, rf signal lite, rf receiver, cloudrf, rf signal pro apk, app medir frecuencia rf, rf signal, radio frequency reciever, sinal de rf pro e.

Recently changed in this version

2.0 - Keyhole Radio for Android launched incorporating suggestions from RFSignal

Comments and ratings for Keyhole Radio
  • (66 stars)

    by kevin ohara on 13/12/2013

    FEKIN$#!t !!!

  • (66 stars)

    by Richard Stratford on 26/10/2013

    I just installed the free version - I see this latest version can cover a radius of 50km - that makes this App much more useful to evaluate. I was also concerned whether the terrain database would cover my area (Johannesburg, South Africa) but see that t

  • (66 stars)

    by Tyler Bailey on 09/08/2013

    I can see every bit of the WORLD love it but I do sadly have a complaintment about 1 thing hope his helps you :) there has to be an exit button I'm not to dissupointed about this but pls ad a exit button thank you for your time :) Your Sinserly - Tyler

  • (66 stars)

    by Ayang Ayang on 24/07/2013

    Actually i didnt know what does this software for...or maybe its for advance user of ham radio

  • (66 stars)

    by Kiril Georgiev on 21/06/2013


  • (66 stars)

    by James Brownyard on 03/06/2013

    Very cool and accurate. Was enjoying this so much with even the max 15 km radius, that I planned on purchasing the full version. Then I go to use it again, and the max radius was reduced back down to 10km! I understand the reasons, but I did not expect a

  • (66 stars)

    by william harris on 03/04/2013

    Works like a champ. Pinpointed two poor radio coverage areas that were proven to be bad with real on-site radio testing