Question about Uniden MHS-350 Handheld VHF 2-Way Radio

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Range i have a few questions

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Posted on Aug 21, 2008

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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

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Just bought the MOTOTOROLA MR355R can't transmit beyond 1/2 mile, no transmitting signal, PLEASE HELP

A few things to check, and some facts about 2-way radio range:

1) Be certain you are using a fully charged battery.
2) Hold your radio upright perpendicular to the ground (antenna straight up) for the best range. Tilting the radio can reduce range significantly.
3) Face the direction you are wanting to transmit.
4) Wear the radio up high on your body. Height and placement of the radio determines range.
5) Double check you have the radios programmed to the exact same frequency and code. Sometimes on a "near" frequency you can transmit to another radio on a different frequency, but it would be poor and short distanced.

2-way radios are line-of-sight communications. Anything you place between the two radios will reduce your range. Outside radio-to-radio in a flat area you should be able to talk up to 2-miles line-of-sight. If you were on a mountain you might be able to talk miles and miles into the valley below. (You can talk as far as you can see in most cases.) If you go inside a building and try to talk from inside to outside you might only get 1/4 to 1/2 mi. Your range will vary according to your circumstances/location.

Most TalkAbout radios are 1/2 watt radios and by comparison business radios are up to 4-5 watts, with some being aided by repeater/trunking systems which would enhance the overall range.

Best regards.

Feb 06, 2014 | Motorola MR355R Two Way Radio

1 Answer

Background noise problem with motorola radius cp200 and also crackling status during transmissions

If the crackling and static are coming from the radio, it could mean 1) Something in your environment is putting out RF (radio frequency waves). 2) You have an old battery. 3) You are at the edge of the radio's range. 4) You have a bad speaker in the radio.

Possible solutions for you could be:
1) Have the radios reprogrammed to have Private Line (PL). This would block out RF noise on your frequency. Also, within the factory if there are devices putting out RF noise, there may be some solutions for them.
2) Replace old batteries. (Try a known good battery and see if it helps.)
3) Check to see if you have the same problem when radios are within a closer range. If it is a range problem, education yourself and other users to hold the radio upright (perpendicular) to the ground. You will get the best range. Tilting the radio can reduce range as much as 2/3s. Even the bodyfluid of a person wearing the radio can absorb range.
4) See if you have the same problem with another radio, or if the crackling static is just with the one radio. It may need repaired.

Another solution for you might be a noise canceling remote speaker mic. This would put the speaker of the radio up on your lapel. And these mics also have some noise/wind canceling ability.

There are a few programming things you could have your local dealer try. They may be able to tighten up the squelch and knock out some of the noise.

Best regards.

Mar 11, 2013 | Radio Communications

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

Communication not good &battery cannot charge

If your area is big or has a lot of concrete, then you will need more then just a few cheap radios from thailand, Given range info from broshure is always meant above flat area - not inside building

Sep 23, 2009 | Motorola Walkie Talkie 2-Way Radio

1 Answer

Wanting to know how far this radio will communicate

In reality, handheld radios will talk line-of-sight up to 2 miles. When talking in and around buildings, the range can be reduced to as low as 1/4 to 1/2 mile. For optimal range, be certain to hold your radio with the antenna pointing straight up (perpendicular) to the ground. Height and placement of antenna determines range.

All that being said, many radio manufactures make claims of 5, 10, 18, 25 miles. These claims would be true if one radio can see another, such as talking from a mountain top to a valley. In the real world, we deal with curvature of the earth, hills, buildings, etc.

TalkAbout radios and the other FRS radios operate on 1/2 watt FRS, and 1-2 watt GMRS frequencies. Business radios on the other hand operate on up to 4 to 5 watts of power. The power does not always equate into extra range, it does however, provide much greater clarity in the fringe areas.

Hope this answers your question.

Jan 19, 2009 | Motorola Talkabout T5720 (7 Channels)...

1 Answer

I cant get the range mine has specified it says i think 12 miles but i cant get it to go over 1 mile

Hello stumpy24586,

The range that you can expect to see when using two-way radios is very dependent on local conditions. These radios use UHF frequencies, which are very line-of-sight dependent. Obstructions like mountains, hills, tall buildings, thick vegetation (like forests), and using the radio in a shielded environment such as inside of an automobile can block your line of sight and limit your effective communications range.

The Cobra radios in question specify a maximum communications distance of approximately 17 miles. That kind of range is probably only practical in a situation where the user of one of the radios has some significant elevation (such as being on top of a tall hill) and therefore has increased line of sight. When communicating over relatively level ground that is clear of obstructions, you can probably expect a reliable communications range of 1-2 miles.

Best Regards,
Agent Ken
Go Ahead. Use Us.

Apr 06, 2008 | Cobra microTALK LI6000-2 (14 Channels)...

1 Answer

Locking channels

Try holding the menu key down for a few seconds, you should see a picture of a key or padlock.

Oct 30, 2007 | Jensen JCS-800 14 Channel FRS...

1 Answer

Range dropped and eventually radio is dead

There is not much that can be done for this radios, a service Qualified for two way radios will be expensive. Check the battery contacts and verify that all the conections are correct, if one conection is missin the radio wont turn on. Good luck

Dec 27, 2006 | Motorola Talkabout FRS 250 (14 Channels)...

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