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PMR

Discussion in 'MURS / FRS / GMRS' started by delta, Nov 23, 2010.

  1. delta

    delta Delta

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    Hi fellers, over here in the UK we call them Professional Mobile Radio (also known as Private Mobile Radio (PMR)
    I bought two intek mt 5050's. I have to say i'm very pleased with then too. You can only use 500mw over here but with a little bit of tweeking...
    Heres what it says on the site i got them from at £63 each.

    This is brand new from Intek, The MT-5050 UHF FM Multi-Standard PMR446 & LPD433 Handheld Transceiver.

    One the front of the radio it states 'Personal Mobile Radio' (PMR) and in our opinion it is one of the few PMR446 radios that really doesn't look like a kiddies toy!

    EU Version - 500 mW RF - this is the 'version' that we have to supply legally throughout the EU
    International Version - 4 Watts RF


    38 CTCSS tones
    ● 5 Call tones
    ● VOX for hands-free communications
    ● 4 sensitivity settings for VOX
    ● High/low power selection
    ● Dual Watch
    ● 8 Memory channels
    ● Adjustment squelch
    ● Roger Beep on/off
    ● Key lock
    ● Automatic battery saver
    ● Battery low indicator
    ● Voice Scrambler Function (*)
    ● 6-Bar Digital S / RF Meter
    ● Runs on 5x AA batteries.
    (1500 mAh Ni-MH Pack included)

    From a site that shows how to open them up..


    Fast becoming popular across Europe is the Unofficial UHF CB System. Working on PMR446 frequencies, but with 4 watts of output power, several handsets are now available for use. One such handset is the Intek MT-5050.

    The Intek MT-5050 is a feature packed PMR446 handheld which can easily be modified to give you a full 4 watts of output power and the option of a large range of channels. What's more this modification can be made without the need for data leads and computer software. All you need to do is remove the batteries, then locate and remove the little sticker which reveals 3 wire jumpers.


    Welcome to Delboys - Cushty!!!

    The radio is supplied as a standard 8 channel 500mw PMR446 radio.

    If you only want the higher output power, keeping the standard 8 channels, you only need to cut the link marked 'C'.



    Cutting ALL the links will enable 4 watts output power, and additional channels.
    .
    [​IMG]


    The range achieved between two of these handsets can be as much as 20 miles. Some users have also removed the standard antenna and replaced it with an SMA or BNC connector to enable connection to an external antenna.

    I use them from car to car and when we are camping etc. I have my icom 706mkiiG for other things (ham use). Oh and a magnum s9 for cb mobile.
     
    #1
  2. VA3ES

    VA3ES Old Buzzard

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    How nice. Those units would be illegal here in North America, as the frequency range from 420 Mhz to 450 Mhz is nominally assigned to radio amateurs. That range from 445 through 447 is used by FM repeaters, and simplex operations. The frequency range 433 Mhz is used for weak signal and SSB use.

    Here in North America, we have the GMRS/FRS units, which operate in the 462/467 range, and are license free. Most units are 2W though now some people are using the imported 5W Chinese talkies programmed on GMRS/FRS. 22 channels total.
     
    #2
  3. ZuMBLe

    ZuMBLe Member

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    GMRS is a licensed service.

     
    #3
  4. VA3ES

    VA3ES Old Buzzard

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    Ah... how right you are...in the U.S.
    In Canada it is simply part of the FRS service... and as such is license free.
     
    #4
  5. delta

    delta Delta

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    Shame that there illegal in the USA and maybe Canada too. They are fab little units though and at a very good price for what they do. When you cut all 3 links you get more channels and voice scrambler too. Great for use in the UK and other places maybe.. You can also convert them for proper antena's too
     
    #5
  6. VA3ES

    VA3ES Old Buzzard

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    Why is it a shame? We have our own very similar unlicensed radio services here. The use of 446 Mhz by unlicensed users is illegal here, and enforcement is taken very seriously. Unlicensed=unregulated, like our FRS service. We relegate the unlicenced users to the FRS/GMRS service with 22 channels, (licensed in the U.S.).

    Astute users are buying UHF talkies out of Honk Kong (Puxing, etc), and programming them for FRS/GMRS. Those units are 5W output, and have the potential of 200 channels, (plus optional ANI and scrambling feature). They also have removable antennas that use an SMA connector and can easily be connected to any antenna.


     
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    Last edited: Dec 2, 2010

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