Which radios for long ranges?

I'm looking for Motorola radios for hiking with the longest range and ease of use. However, the common sales platforms only ever show me ranges of 9, max. 10 km.

Which radios can manage more than 20/30, maybe even 100km?

Thank you for your time & answers!

(3 votes)
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norbertk62
9 months ago

The devices you can buy freely – they also have a technically restricted transmission power – so you have to live.

In some radio procedures, overranges are possible, but they do not work reliably (wedding, time of day etc.)

All that would have more transmission power naturally also needs more transmission energy and other devices and antennas. You’d have to be a radio amateur (to run them) and you’d have another equipment park.

The proposal with the phone is really not bad – is a completely different technique. As long as you’re not in a radio hole, you can also call China.

norbertk62
9 months ago
Reply to  BENOXUSDDD1936

Submission – transmission power

CB radio: AM (good for distance) and FM (good for clear language). Transmission power in each case 4W; for SSB operation 12W

Freenet and PMR: 0.5W

I would think about CB radio with SSB (that can’t be everyone). Problem (is logical): longer antennas because longer wavelength.

There are radios that control Freenet AND PMR.

norbertk62
9 months ago
Reply to  BENOXUSDDD1936

I am not so ultra-deep on the subject – regardless of which I know the technique a bit. What is permissible at the moment (2024) would you have to explore yourself. Notes:

  • it always comes to the frequency range in which you send. Basic rule: the higher (= short wavelength), the more the radio spreads out, like light – straight. The longer the wavelength is, the more the spread changes
  • The higher the frequency, the higher the damping by obstacles (rooms, houses)
  • – don't leave. Can be or not.
  • CB radio is in the area of ​​30 MHz – this is rather a longer wave. It naturally spreads in a straight line, but it can also be reflected at the ionosphere. This can result in the unreliable over-ranges; but you only have a very low transmission power – so radio to America: rather not.
  • Freenet is so about above (so shorter) than the VHF range. Somewhere at 150MHz. Therefore: spreading like the light
  • PMR radio is about 445MHz – ie even shorter = higher frequency. Straightening spread

You can search on the Internet at these devices for the permissible transmission power.

Important: they must be admitted to GERMANY – otherwise you can get angry.

norbertk62
9 months ago

Have fun with it – was my hobby a long time ago.

lasdas
9 months ago

Amateur radios on KW come to several huntert Km. FM Gerate can only be obtained with low range.

atm77
9 months ago

No one.

Just because of the earth curvature.

atm77
9 months ago
Reply to  BENOXUSDDD1936

You can’t say that because it comes to circumstances (weathers etc.)

You can say that if you can see yourself (also with binoculars) then you can also spark.

By the way: without an amateur radio license you can only use PMR devices anyway.

wiki01
9 months ago
Reply to  atm77

Then it is necessary to take frequencies whose waves follow the earth curvature: long wave. However, this is nothing you can take on a hike.

atm77
9 months ago
Reply to  wiki01

And above all nothing you can do without a license.

hoermirzu
9 months ago

Isn’t it easier to make calls today and have a power bank?

In the meantime, the networks are no longer so lonely.

hoermirzu
9 months ago
Reply to  BENOXUSDDD1936

Then why Walki Talkis? They are much more unreliable because their signals are not conducted via satellites.