12
votes
Can a Baofeng UV-5R Display Both Name and Frequency Simultaneously?
Yes, kind of. You can program the A and B settings separately. Set channel A to display name, and set B to display frequency. Also, set the receiver to only listen to the monitored channel to ensure ...
- 797
11
votes
Would a ham license allow me to use an uncertified radio on other (non-ham) bands I have permission to use?
I just purchased a UV-5R to hopefully integrate into business class radios my company uses.
Unfortunately, this is not likely legal.
Business radio is licensed under the FCC's Part 90 rules; those ...
- 7,469
10
votes
Accepted
Can a Baofeng UV-5R Display Both Name and Frequency Simultaneously?
No, you cannot display "Name & Frequency" if the unit is in "Channel Mode".
what you could do is program (part of) the frequency in the "Name field" of the channel. This way it helps you, like a ...
- 2,195
10
votes
How do I legally use a Baofeng UV-5R radio for communication?
In the United States, for the most part, all radio transmissions fall into one of three categories:
The operator is allowed to transmit on that frequency (amateur, "business band", aviation, military,...
- 25k
10
votes
Accepted
Why don't I hear the CTCSS tones when listening on the repeater input frequency?
Many radio manufacturers are aware that people don't want to hear CTCSS tones - so they put high-pass filters on both the output (speaker) and input (microphone).
That eliminates the tone before it ...
- 2,057
6
votes
Accepted
DC connector type for Baofeng UV5R base charger
The plug used in the Baofeng base is a 5.5 mm/2.1 mm barrel connector.
However, you cannot simply parallel a bunch of base charger units and power them off of a single AC or DC adapter without ...
- 18.6k
6
votes
Accepted
I am trying to get the 800.00 frequencies on a Baofeng UV-5R
It doesn't do that. Depending on the revision of UV-5R you have, the highest receive frequency is either 470 MHz or 520 MHz. Either way it doesn't go up to 800.
- 13.2k
5
votes
Accepted
UV-5R 4W BFB297 vs UV-5R 8W BFP3-23 (difference 4W vs 8W)
4W to 8W is a doubling of power, or a 3dB increase. That's 3dB you can add to your link budget. Provided of course that the limiting factor is the other station hearing you, not the other way around.
...
- 52.4k
5
votes
UV-5R 4W BFB297 vs UV-5R 8W BFP3-23 (difference 4W vs 8W)
The exact answer is given by the Friis equation. If you double the power, your range will increase by 1.413 times whatever it was before doubling the power if you change nothing else. This assumes you ...
- 18.6k
5
votes
Accepted
UV-5R High Gain Antenna Performance
This is a harder question to answer than you think for a number of reasons. I'll start off with the ideal answer:
The Diamond RH-771 claims that it has 2.15 dBi gain at 70cm (or 0 dBd). Most rubber ...
- 2,057
5
votes
Manually program the ISS freqs and tones into uv5r without chirp software
Yes it can. Manual programming instructions can be found in the manual.
- 1,171
4
votes
If someone transmits on 151.88 MHz and I listen on 151.18 MHz, how likely would I hear their transmission?
In theory, this is a question of the bandwidth - or better said of 2 bandwidths.
In practice it's much more complex. But let's have a look at bandwidth theory first:
the bandwidth of your transceiver
...
- 161
4
votes
Accepted
Can I contact the International Space Station using my Baofeng UV5R?
In theory, yes.
In practice, "probably not". In my experience, the front end on Baofengs is not very good. We have a UV-82, and it just did not work when we tried to use it for amateur satellites (AO-...
- 1,229
4
votes
Why don't I hear the CTCSS tones when listening on the repeater input frequency?
The volume of the tones is typically low enough with respect to the voice signal that you can't hear it. Occasionally the tone generator in a radio will be poorly calibrated, and you do hear it.
...
- 6,960
4
votes
Use the redundant channel in a TRRL headset jack to add PTT to the cable
Attached below are two examples for a galvanically isolated VOX-PTT that needs no power supply.
The circuit at the top is fast, less then 1ms to close the PTT switch and about 3ms to open it. It is ...
- 276
3
votes
Accepted
How can I find the input port for downloading my radio information?
The program is asking you which serial port you're using to connect to the radio. If CHIRP's list is empty, then you probably have no serial ports because the drivers for the virtual serial port chip ...
- 9,320
3
votes
did static fry my uv5r?
Sounds very much to me as if something connected to the PTT (the electronics that the physical switch activates) was damaged. With what a BaoFeng costs, unless you're just curious, it's not worth ...
- 4,145
3
votes
Accepted
How can I manually programme these FRS channels onto my Baofeng UV5R?
There are online instructions and YouTube videos on how to program a BaoFeng radio -- it's the same for all or almost all of their HT models, so if you find instructions for a BF-F8HP, for instance, ...
- 4,145
3
votes
UV-5R 4W BFB297 vs UV-5R 8W BFP3-23 (difference 4W vs 8W)
The correct answer to your question is, I believe, that you should expect an increase of between 20-40% in range, depending on the height of the repeater(s) you are trying to hit as well as your local ...
- 550
3
votes
UV-5R 4W BFB297 vs UV-5R 8W BFP3-23 (difference 4W vs 8W)
Of your quoted testimonials, the one I'd put the least credence in is the 10 miles at 4w and 16 miles at 8W, because I'm not sure what they mean by the "elevation difference" disclaimer; at these ...
- 736
3
votes
Why don't I hear the CTCSS tones when listening on the repeater input frequency?
Same with SDR software. My SDR code runs on a iPhone that's connected to "HiFi" audio transducers. So I had to add a 270 Hz high-pass biquad IIR audio filtering subroutine to get rid of ...
- 13.6k
3
votes
Erratic behavior on Baofeng UV-5R Plus
It seems to me that you have a bad radio, that is to say a radio with one or more faults in it. You shouldn't be getting the sensation of a shock or heat, and those are possible indications of a ...
- 9,320
3
votes
Help setting up my Baofeng UV-5R radio for scanning
There is a very neat programming aid called CHIRP which can be used on the UV-5R and similar radios from B-Tech/Baofeng. It allows you to type up a spreadsheet on your computer with all the pertinent ...
- 1,102
2
votes
Can a Baofeng UV-5R Display Both Name and Frequency Simultaneously?
A new Menu 24 on the BTECH UV5X3 Triband radio is "SYNC" and is ON or OFF. This is a great addition. You can program a Marine channel 16 and see "CH 16" in one display and "156.80" in the other ...
- 21
2
votes
dual band j-pole creates connectivity problems when connected all the way
In general, if making an incomplete connection to your antenna works somewhat but a complete one is entirely silent, that means you have an open or short circuit somewhere in the antenna system.
The ...
- 25k
2
votes
Storage of a Baofeng UV-5R
It should be fine as long as you don't have it plugged in. If you have it plugged in it makes a lot of noise and it is hard to listen to.
- 75
2
votes
What's a cost-effective way to boost the range of my cheap 2m/70cm handheld?
I'm at the fringe of the coverage area for the local DMR 70cm repeater. Using the "extended" dual-band antenna that came with my HT, the repeater typically reports received signal strength (RSSI) of ...
- 7,912
2
votes
Accepted
What is meant by CC 7?
According to the Amateur Radio Guide to Digital Mobile Radio by W2AXB, CC is the DMR programming "Color Code."
- 7,912
2
votes
Accepted
If someone transmits on 151.88 MHz and I listen on 151.18 MHz, how likely would I hear their transmission?
It's possible for a strong enough interfering RF signal to overload the front end amplifier(s) of a receiver. Once overloaded into a non-linear range, all bets are off as to the resulting bandwidth ...
- 13.6k
2
votes
Erratic behavior on Baofeng UV-5R Plus
I think you have a loose wire in there somewhere. It's probably the ground or center lead between antenna and amplifier. The bursts of static might be from the wire making contact or not, or contact ...
- 371
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