Question about Motorola CDM1250 Two Way Radio

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Not talking far

My radio doesn't seem like it's talking as far as it should

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  • Josh Underwood Feb 13, 2014

    No I haven't changed anything is there a way to make it talk better

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  • Motorola Master
  • 1,646 Answers

Check your antenna set up and connections. Make certain all connections are tight. Have you changed anything about the antenna recently, such as location, or stinger length?

Posted on Feb 13, 2014

  • eradiostore
    eradiostore Feb 14, 2014

    Height and placement of your antenna determines the range, as well as the type of antenna you are using. Questions: What type are you using, ie. 1/4 wave, 3db gain? Do you have 19" clear around the base of the antenna, on a metal surface? If not, are you using a no ground plane style of antenna? Is your antenna trimmed to match your frequency? Just a few things which came to mind.

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1 Answer

I talk on my cb no one talks back


you could have ten people talking to each other and if no one wants to talk to you then you will be talking to no one.Now if its a radio problem then I would say turn up the variable for your modulation , make sure your RF GAIN is wide open and turn your SQUELCH all the way to the left then go to different channels and ask for a radio check or have a friend drive far enough away and with his radio give you a radio check.

Feb 22, 2015 | Uniden Radio Communications

1 Answer

What is the range?


line of sight. If you can "see" the other radio, they will talk to each other, most of the time. Yes, radio signals can penetrate buildings and a few floors. More power equals more range. Best to ask about a specific radio model. There are NO GMRS radios that actually talk 38 miles without the help of a relay tower. That's a lab test and total bunk. One 2 watt radio may not talk as far as another 2 watt radio because the more expensive ones tend to have superior receivers to pull in a weaker signal. YMMV

Dec 02, 2014 | Radio Communications

1 Answer

How to get maximum range


Have a fully charged good battery. Hold your radio upright, perpendicular to the ground, when transmitting. (Tilting to the side can significantly reduce range.) Wear your radio higher on your body if carrying the radio. Height and placement of antenna has much to do with good range. Talking line-of-sight in perfect conditions a portable radio will get approx. 2 mi., talking in and out of a building you may get 1/4 to 1/2 mi. Obstacles inbetween the two radios will reduce range, so each location may differ. From a mountaintop you may be able to talk many miles into a valley below. Your radio can basically talk as far as the antenna can see.

Dec 12, 2013 | Uniden Gmr 5099-2Ckhs - Two-Way Radio -...

1 Answer

Kenwood 2 way radio


Advertising for various radios differs, and can offer some incredible ranges. The following is a good rule of thumb in the real world:

Handheld radios generally will talk "radio-to-radio", "line-of-sight" up to 2 miles. Once you start putting obstacles in between the radios you will shorten your range.
Mobile radios, such as those mounted in vehicles, will generally talk "radio-to-radio" 8-10 miles depending upon the obstacles and the terrain.
Repeater Towers and/or Trunking: If your radio is programmed to match a local repeater or trunking system, your range will be determined by the footprint of that particular system. See your local dealer for details.

Consider your radio can talk as far as it can "see". If you are on a mountain top, your radio will talk far into the valley, and seem to have incredible range. So conversely, if you in a city with many obstacles, you may have a very short range.

Best regards.

Aug 31, 2012 | Kenwood TK250, TK350, TK353, TK430, TK431...

1 Answer

Galaxy 979 SSB Modulation Problem Voice Cuts Out.


It sounds like you had a cold solder joint. Leaving it in the sun probably temporarily corrected it. I would take it to a tech to have all the solder joints corrected, unless you are handy with a soldering iron. The problem will most likely come back.

All you have to do is pull the top cover off, which will show the bottom, or trace side of the board. Using a soldering iron, make sure any solder joint that doesn't fully look soldered and make sure the solder is fully covering the joint. If need you may have to add solder.

As for the frequency counter going nutty when you modulate, Don't worry about it. There is nothing wrong. Because when you modulate you are modulating the carrier signal you are changing the signal so the counter will interpret that as a different freq because it cannot differentiate. Freq counters are for use with carrier only. As long as the carrier shows correct, it is right.

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1 Answer

What is the talk range of a Motorola P14spa03p2aa walkie talkie?


Line-of-sight you can talk as far as the radio can 'see'. In the real world, with obstacles and curvature of the Earth, this will vary according to your location. General rule of thumb, outdoors with few obstacles, you can talk line-of-sight up to 2 miles. Talking in and out of a building might reduce your range to 1/4-1/2 mile. There will be circumstances when you could achieve great range such as talking from a mountaintop into a valley, you could potentially talk 25 miles.

Height and placement of the antenna determines range. Holding the antenna perpendicular to the ground will give you the most range. Tilting the radio can reduce your range by as much as 2/3s.

Best regards.

Feb 18, 2012 | Radio Communications

1 Answer

Cannot talk 2 my daughter about 5 miles away in worked earlier in day when we were close. have motorola 350 waterproof model we are both on same frequency big 2 little 5 do u have any answers


Sorry to say, to talk 5 miles conditions would need to be ideal. A handheld two-way radio talking radio-to-radio can talk as far as it can see line-of-sight. If you were on a mountain top you might be able to talk many miles into a valley below. However, in real world conditions you would have many obstacles: hills, building, trees, and even the body of the person wearing the radio. Realistically you could talk up to 2 miles line-of-sight, or 1/4 to 1/2 mile if you are talking in and out of a building.

For best range, you can achieve maximum range by holding the radio upright with the antenna perpendicular to the ground, face the direction you are talking and have fully charged or new batteries installed.

Best regards.

Aug 28, 2011 | Motorola MR350R Two Way Radio

1 Answer

I have my radio hooked up in my jeep and i can hear other people talk but it seems that they cant hear me talking. Its all hooked up right. i checked to see if there was a tuning thing on it and there...


Turn up "MIC GAIN" also check and see if it keys up full scale 4 watts on output meter. If that doesn't do it change MICS. Go for a power mic by cobra that runs off say a double AA battery. It may be conditions also or your out of range of persons. check Antenna,Swr reads (should be 1.1 to 1.5)on a Radio Shack meter. Try it all.

Jun 11, 2011 | Cobra 19 DX IV CB Radio

1 Answer

How far can I get this thing to reach,and how ?


With a good antenna, and the antenna tuned for best SWR, about 8 miles from mobile to mobile, and about 12 miles from mobile to base radio.

You can modify the radio and turn up the power, it will get you more range, and make the radio sound louder, but you will still be limited, because radio is line of sight. Hills and structures block RF signals. you go down a hill, you will loose distance.

With a cobra 29 that has been tuned up sitting on a hill about 1400 feet above sea level, I was able to talk to some one on a base radio about 50 miles away with out my amp on. I also have a very very good antenna. not something you normally see either.

With a clear on blocked line from antenna to antenna, you can talk really far on a stock radio. There is a saying for CB antenna's. "Height is might."

There are a lot of things that effect the distance a CB can reach.

If there is Skip active, you can possibly talk thousands of miles with a stock radio. Skip is when the ionosphere becomes charged by solar energy form a solar flair and causes the radio waves to bounce off them, making it seem like you have a straight line of sight to places that would normally be blocked by the natural curvature of the earth.

Then there are Linear amplifiers. They increase the power of the signal of the radio. They will increase the output range, but then you may be talking to people that don't have an amp, and that you will not be able to hear them because they do not have enough power to reach you.

So, get a really good antenna. Make sure it is tuned for the lowest possible SWR. Refer to the manual that came with your radio on how to find out your SWR, and how to lower it. There will also be instructions on how to tune the antenna that came with the antenna. Then bring the radio to a CB shop or a CB tech and have them tune it up. It will cost about $30.

With my radio barefoot, and can normally talk around 30 miles or more without worrying about hills and obstructions. (Barefoot means, without the amp on)

Sep 15, 2010 | Cobra 25 LTD 40-Channels Base CB Radio

1 Answer

HOW FAR IS THE DISTANCE THAT YOU CAN HEAR ON THE MOTOROLA TR50? I LOST MY OLD MANUAL


Typically handheld radios will talk line-of-sight up to 2 miles. Obstacles you put between the two radios can absorb part of the range. Talking from inside to outside of a building you may only get 1/4 to 1/2 mile. Height and placement of the antenna determines range, so the higher you are the further you will talk. If you were on a mountain top and talking to the valley below, you could talk as far as you could see, which might be significantly more than the 2 miles you would get in normal terrain. (I think the box advertises up to 5 miles, but this would be under ideal conditions, and is not realistic.)

Aug 08, 2009 | Motorola Radio Communications

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