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Frequency Range Question...

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kmd1984

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DCS is Digital Coded Squelch. Has nothing to do with Modulation.

I don't own a BaoFunk, but I seriously doubt they do any kind of Digital. Digital handheld radios run about 800 bucks new.




Delta
I figured my Baofeng wouldn't be able to do digital. Anyhow, why is everyone so against a radio that costs $35 bucks!? From my understanding there are many ham users out there that like this radio...

Thanks,

Kmd

Edit: Not sure if digital is digital, but after a quick Google search, I found digital radios for $300 bucks, from brands such as Vertex...
 

bharvey2

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Legality aside, you may not be able to communicate with those radios at all. A quick lookon the web found that the Motorola SL300 is a DMR and analog capable radio. If that frequency you mentioned is programmed for DMR, you can't talk to them or listen to them on your $35 Baofeng. If it s programmed for analog, you might be able to legally listen to them but legally talking to be is probably still a no no.

The PL/DCS you mentioned is a subaudible tone that is transmitted when you press the PTT button. It is used mainly to prevent other users in the area (say another company) that are using the same frequency from coming through on your radio. It isn't foolproof and there still may be times that you can hear them.

Lastly, on the outside chance that your friends' radios are set to analog and you have the proper PL/DCS tones set in your radio, if you are too close to each other when transmitting you can effectively overload each others receivers and won't be able to hear each other at all. Best to have a little distance between you when trying this out.
 

kmd1984

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Legality aside, you may not be able to communicate with those radios at all. A quick lookon the web found that the Motorola SL300 is a DMR and analog capable radio. If that frequency you mentioned is programmed for DMR, you can't talk to them or listen to them on your $35 Baofeng. If it s programmed for analog, you might be able to legally listen to them but legally talking to be is probably still a no no.

The PL/DCS you mentioned is a subaudible tone that is transmitted when you press the PTT button. It is used mainly to prevent other users in the area (say another company) that are using the same frequency from coming through on your radio. It isn't foolproof and there still may be times that you can hear them.

Lastly, on the outside chance that your friends' radios are set to analog and you have the proper PL/DCS tones set in your radio, if you are too close to each other when transmitting you can effectively overload each others receivers and won't be able to hear each other at all. Best to have a little distance between you when trying this out.

Hey, thanks for all the info! Pretty interesting stuff! Also good to know that the radios shouldn't be that close together... Last time we tried I was in the car and he was standing in front of my window...

It looks like that I am not going to be able to listen to what they are saying, but that is OK. Trying to find out why I am not able to listen to them was way more interesting! LOL.

thanks,

Kmd
 

bharvey2

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Assuming you have the frequency correct, make sure that your Baofeng has no PL or DCS tone programmed on the receive or decode side of that channel. Get some distance between you and one of your friends (50-100' should be safe) and have them transmit and talk. If you can hear them, their radios are set for analog on that channel. If you hear what sounds like machine gun fire, their radios are set to DMR on that channel and you're out of luck.
 

kmd1984

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Assuming you have the frequency correct, make sure that your Baofeng has no PL or DCS tone programmed on the receive or decode side of that channel. Get some distance between you and one of your friends (50-100' should be safe) and have them transmit and talk. If you can hear them, their radios are set for analog on that channel. If you hear what sounds like machine gun fire, their radios are set to DMR on that channel and you're out of luck.

I found DCS in the menu and it is OFF. I looked for PL, but do not find it, so I googled it. Isn't PL = CTCSS? If so, it is OFF.

I believe I tried everything at it seems like I am out of luck... : (

Thanks for the help...

Kmd
 

Seven-Delta-FortyOne

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why is everyone so against a radio that costs $35 bucks!? From my understanding there are many ham users out there that like this radio...

I'm only speaking for myself here, but my biggest beef with those things is that they are so cheap and ubiquitous, that people who know less than nothing about radios, buy them, and start randomly transmitting on whatever frequency they decide to at the moment.

Or they know a little, which in the words of Alexander Pope is a dangerous thing, and they come up with all kinds of strange ideas about what they can and cannot do, most of it wrong. It's the same reason I don't like FRS/GMRS combo units. People have no idea what they are buying.



Not sure if digital is digital, but after a quick Google search, I found digital radios for $300 bucks, from brands such as Vertex...

Yes, there are a few that are cheaper. I was looking at a Kenwood NX-300 on ebay for 450 today, but in general, for new stuff, it up there.


Delta
 

kmd1984

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I'm only speaking for myself here, but my biggest beef with those things is that they are so cheap and ubiquitous, that people who know less than nothing about radios, buy them, and start randomly transmitting on whatever frequency they decide to at the moment.

Or they know a little, which in the words of Alexander Pope is a dangerous thing, and they come up with all kinds of strange ideas about what they can and cannot do, most of it wrong. It's the same reason I don't like FRS/GMRS combo units. People have no idea what they are buying.


Yes, there are a few that are cheaper. I was looking at a Kenwood NX-300 on ebay for 450 today, but in general, for new stuff, it up there.


Delta

I see where you are coming from... : )
 

bharvey2

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I tried that, but still, I can not hear them... When I set both of my radios to either 463.5125 or 468.5125 they work fine.

thanks,

Kmd

Okay, now I'm confused. You said that you tried 463.5125 and couldn't hear them but when you set both of your radios to 463.5125 or 468.5125 they work fine. They work fine for what? Can you elaborate?
 

kmd1984

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Okay, now I'm confused. You said that you tried 463.5125 and couldn't hear them but when you set both of your radios to 463.5125 or 468.5125 they work fine. They work fine for what? Can you elaborate?

Sorry, I should have made myself more clear. When I set both of MY Baofeng radios to either frequency, I can talk from ONE Baofeng to the OTHER Baofeng. Not sure why I even brought that up, ha ha.

Thanks,

Kmd
 

bharvey2

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Quote: I tired 468.512 but I cannot hear them, nor can they hear me. However,I am pickup "something" up. It sounds like my radio wants to translate, decode or whatever it is called, the transmission, but it cant?!

I missed that in your first post. Since they are using DMR capable radios, I suspect that is what you're hearing when they transmit. Your Baofeng just isn't going to work. I've got a feeling your just out of luck.
 

SCPD

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Well, a couple of things.
1. I'm sure the system you are trying to get on is digital, and the "something" you are hearing is the digital system. Very rarely see anyone buy new digital capable radios and use them analog.
2. I'm going to take a guess that you're radio is properly transmitting on the frequency you want to be on. Most radios with 3 digits to the right will actually transmit and receive on the 2.5 KHz spacing, even though the display isn't showing it. Same with scanners. A lot of people go buy a new scanner thinking their old scanner won't receive 2.5 KHz, not realizing the scanner is rounding off the display, not the actual frequency received.
 

kmd1984

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Quote: I tired 468.512 but I cannot hear them, nor can they hear me. However,I am pickup "something" up. It sounds like my radio wants to translate, decode or whatever it is called, the transmission, but it cant?!

I missed that in your first post. Since they are using DMR capable radios, I suspect that is what you're hearing when they transmit. Your Baofeng just isn't going to work. I've got a feeling your just out of luck.

Well, a couple of things.
1. I'm sure the system you are trying to get on is digital, and the "something" you are hearing is the digital system. Very rarely see anyone buy new digital capable radios and use them analog.
2. I'm going to take a guess that you're radio is properly transmitting on the frequency you want to be on. Most radios with 3 digits to the right will actually transmit and receive on the 2.5 KHz spacing, even though the display isn't showing it. Same with scanners. A lot of people go buy a new scanner thinking their old scanner won't receive 2.5 KHz, not realizing the scanner is rounding off the display, not the actual frequency received.

Thanks for the input guys...

What can I say. I tired everything and it didn't work. No big deal. Like I said, there is not that much to listen to. It would have been fun for a day or two, and then it would have gotten old.

This all started by me "suggesting" that there is no need to spend that much money ($400 -800) on radios, if you can have cheaper ones like my Baofengs. Well, is that actually "true"?

If they would all use a Baofeng radio for $40 bucks, what would be the problem with that? Sure, it is not a business class radio, nor is it Digital, but does that really matter? The only time it might matter is that from my understanding the Baofend is not "allowed" or "certified" to be used on the frequencies they got assigned... Right?!

thanks,

G

Edit: This place can afford radios for $800 bucks, no doubt about it. But why should they?
 
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Seven-Delta-FortyOne

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Most radios with 3 digits to the right will actually transmit and receive on the 2.5 KHz spacing, even though the display isn't showing it. Same with scanners. A lot of people go buy a new scanner thinking their old scanner won't receive 2.5 KHz, not realizing the scanner is rounding off the display, not the actual frequency received.



I'm not sure about that. I have a 2 meter rig in the truck, with extended receive, and a lot of our fire tac channels are 2.5 khz spacing, and the 2 meter will not receive them at all. I have to use the scanner.




Delta
 

kmd1984

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Apparently because they want to use digital.


Also, I doubt a Baofeng would stand up to everyday use and abuse in a commercial setting.



Delta

They use Digital because someone told them to, not because they want to. They have less knowledge about Radios than me, which is pretty hard to do, ha ha.

I would think that a Baofeng would be totally fine for the job. They either have the radio sit on the counter at the Front Desk, or on their belt. I really don't see how they would some "hardcore" business radio. Anyhow, I am not the one paying for them. Oh wait, I am paying $1665 dollar HOA a month. So I AM paying for them, ha ha.

Thanks,

Kmd
 

paulears

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Set your radio to 12.5KHz steps, then the missing '.5'steps are put in for you, even though the display can't manage them. Although I expect you found that out and tried it since the topic started.

I was a bit surprised by the Baofeng radios should be banned. UK law is fairly simple, and I'd assume the US is similar. You can import whatever you want, because the import laws allow it. Licensing laws specify what can be done with them. So here, adhering to the absolute wording of the law says that you cannot have in your possession equipment for a which a license is not available. This is rather clever, because it means that as a member of the public cannot get a license for say, military airband or using a police radio (even if you could beat the encoding) then having one means it could be seized and ultimately destroyed. They don't go around confiscating airband scanners, but they could. Years ago, to use any transmitter apart from amateur ones needed somebody to come and test it and give you the OK. Now it's done by self-certification, you say it complies, they believe you until you cause grief to others. Hams have bands and powers as per their license, and as long as they police themselves, all is well. A Baofeng technically has a pretty decent specification, so using one on a business radio band would be OK, as long as the users didn't fiddle with the programming and operate outside their license.

Here, Hams are expected to police themselves. Pressing the transmit button outside the amateur band is wrong. Surely banning radios because they 'could' break the law is a bit silly, when you allow gun owners to do far, far worse without banning them!
Perspective!
 
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