Mobile Relay Associates, LLC dba Raycom (MRA) was established in 1975 by electronics enthusiasts, Mark Abrams and Loren Marks to provide two way radio communications services and systems for commerce and industry. Located in Paramount, California, MRA has been providing Airtime and Communications Sales and Service for over 40 years. More at mra-raycom.com
Hooked it up to the Spectrum Analyzer. Love it!!! This is a great video. I was looking for a GPS blocker and noticed that none are available thru Amazon. My suspicion is that no one is putting them for sale on Amazon because they don't work, the Amazon sellers know they don't work and don't want to go bankrupt with 99% of the units sold being returned. You can take this cheesy rabbit-ear model off your list of things to waste money on. Another option is to rip the GPS signal sender out of your vehicle. A little more difficult but we need the volume of tracking data going to Globalists to be reduced to zero. FJB
Ok, sir, what I was wanting to know is dose that device jam aftermarket gps tracking devices that stalkers attach to your vehicle? Also, can not hear what you are saying. I turned on the captions but that thing is inaccurate.
It would depend on the device, frequency and the distance. For the most part, they are both illegal, and a waste of money. You also have to consider that devices such as air tags are not GPS, and would be completely unaffected. The location of air tags is reported by passing phones, not a GPS in the device.
@@mra-raycom6982 oh, wow. There's a video of a guy using an old cordless phone to supposedly block gps ? I'm being stalked, they're ruining my life. It's been going on for years and they're wearing me down.
That was the attempt. There was a sheet of ice under the snow that got the better of us, along with a 60mph wind. We have been back since and got the site repaired. On the snow was gone my SUV would do it
Man, I would sure love to take my 10 GHz radio up there for a few hours during the 10 GHz contest this year. I'd love to see a 360 degree view of what you can see from up there. What other hilltops are you linked to from there? You can obviously talk back down to Blueridge/Table Mountain, right? How about Potosi?
We are on Potosi, but we don't own the site. We have sites on Cajon mountain, Sierra, Santiago, Lukens, Tecopa and Tejon. We have equipment at Heaps Peak, Bertha Peak, Toro, and many others. A list of the sites is here mra-raycom.com/mra-sites/, and we are always expanding. At some of the sites we have drone video so you can see the view. Cerro Gordo is at 9200 feet, but is also out in the middle of nowhere. I have never worked 10GHz, but I would think views over the cities would be an advantage.
They are illegal to use, so why would you buy one? There are a lot of games played by importers also and it would take a while digging through bulletins and certifications to determine its actual status.
Just bought two of them don’t work don’t waste your money. I’m in the car right now. Got them plugged in. My phone is working properly. Didn’t even lose a bar.
Some of the devices store locations in memory to be read later. That can't be jammed. Other devices use the cell phone network. Jamming the cell phone network is a very bad idea. There is a very wide frequency spectrum in use by cell phones and it would take a lot more power. The result would be fouling up cell phones over a few miles, including yours.
"Everything is vibration and frequency" is common in new age philosophies, but not really descriptive or useful in technology. There are piezoelectric resonators, which need to be cut to a specific physical size for a frequency. The bandwidth would be too narrow to cover an entire band. There is stimulated emission, but that is also very narrow and not tunable as it is characteristic of a specific element and the energy states of it's electrons. Either way requires a power source to generate a signal stronger than the incoming GPS signal, so no, you are not going to find a natural substance that jams GPS signals. You could block the signal with a faraday cage, but building one around your car would render the car undrivable. We have to go with science rather than mysticism here.
*NO ...NO MUST BUY THIS "JAMMER" WITH (8 SMALL ANT) ...* *THINK IT IS 200-300 U.S.D * *THEY CAN DO .. FROM YOUR PHONE TO YOUR CAR /SAT TV /GPS ... AND* *YOU WILL FIND .. (DRONES)* *THEY SEND 1 WATT / 5 WATT ...OUT ... MORE IS BETTER* *(OR ASK SOME SELLER ...!! YOU NEED DRONE JAMMER)* *GOOD LUCK*
To evaluate would require testing. It is still going to be illegal, and potentially destructive if critical communication is jammed. @@netautorisationnetautorisa545
Nice demonstration. The reason it’s not working is not it doesn’t cover the appropriate band but because output power is very low. GPS has spread spectrum process gain so jammer has to be at least +50dBm above gps signal to have any effectiveness. With gps at -125dbm any jamming signal bellow -75dbm at gps receiver will have zero effectiveness. I ve seen jammer emitting 0dbm to only be effective up to 5 meters radius against a modern smartphone. So probably the device is poor quality/defective.
(YES THIS IS.. CRAP) HAVE A JAMMER "SOME WATT OUT" IT RUNS A "LONG WAY" LIKE A "VHF RADIO" ... (AND NOT TO FORGET WHAT ANT ... YOU USE) NEXT ... USE A "AMP" !! THEN (NO LIMITS) ... BUT YES IS NO "TOY" ... MUST BE A #REASON .. TO POWER "UP" ... ... IS NO "JUST FOR FUN" ....
That is actually a pretty odd assertion. I tested it on the bench, and in the vehicle. I measured the signal levels and the bandwidth. The reason it didn't work is two fold, and pretty evident. First is that it doesn't cover all the GPS bands so the device simply picks up from the other two bands. Second is that the signal is very weak. at 3 feet it measured -95dBm. Since the expected from the GPS system is -125dBm, it may have worked if the GPS were in the car and it had covered all the bands, but the additional signal loss from the distance outside the car and the loss through the car body would make it ineffective against an externally mounted tracker, or one with an external antenna. The video demonstrates pretty definitively that it does not work, but if you would like to send in one that you think will, I would be happy to test it on another video.
@@mra-raycom6982 Easy hotrod...KE6TNM. The advice is good even if the person watching the video is not a ham...I did not mean the poster of the video was not a ham or the accomplices that helped make the video were not hams. Something was lost in translation.
So those external car gps tracker work with 2G 3G 4G network to send data to owner so if i jamme mobile network technology the gps no longer Abel to send location to the owner
First, as I mentioned in the video, jamming is illegal. If you jam the cell phone network, you will be interrupting the connections of yourself, and everyone around you. Now suppose one of those calls is an emergency. Next, you don't know what frequency the device is on. 2G, 3G, 4G, or 5G are not frequencies, they only designate a protocol. The actual frequency will vary depending on the model of the phone or device and the frequencies that are licensed by the FCC to the service provider in that area. They could be operating in several bands from 600MHz up to 21 GHz. Most phones are multi band so if the connection is interrupted on one frequency, it will jump to another. On top of that, there are multiple ways to handle the data. Some trackers will store the data in memory for later recovery. Some may use the cell phone system. WiFi is possible. There are also Bluetooth devices that will use passing phones running an app to send data. A couple weeks ago I ran across a gas pump that was transmitting something in VHF spectrum. Pretty much anywhere in the spectrum could be used to send the data and if you attempt to jam all of it in a 100 mile radios, your going to be noticed and your jamming signal will be tracked. It is harder to jam a transmitter since it is the receiver that would need to be captured. The principal behind the GPS jammer is that the receiver is in your proximity. For data transmissions, the receiver would be at a cell site, mountain top, wifi access point, or someone's mobile phone. It would take much more power.
@@parkerbohnn Possibly, but do you know of a country where it is legal to jam? Any of them I have looked up are pretty consistent on that point. The closest I have seen is people claiming there is no enforcement.
@@parkerbohnn Actually radar detectors are of little use because of the burst mode that the radar units use. By the time you get the detect, it is too late. As for jamming "No one will know" is not true. There may be many circumstances where it is not noticed as with this non-functional jamming unit. However if you cause a problem, there are people who can and will track it down. I know of a group working on such a project for the last few weeks.
Our Special Olympics Southern California athletes are play hard in sports to play against the Greater Los Angeles team to compete in each division and way back in 2020 we will cancel the spring sports season, 2020 Summer Games, Bowling Championship and 2020 Fall Games at David L. Baker Golf Course and Fountain Valley Sports Park and Recreation Center.
That is a little vague, but a number of us are hams. We have to maintain construction standards at the sites, but we do have ham repeaters at several of the sites.
A lot of detail is here ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-cOFX6wJuO7w.html The nexedge system allows user to talk to any other unit logged in to the network. Our coverage footprint is more that 450 miles in Southern California. We have another Nexedge network in Colorado. From the users perspective, this is all handled in the background. They use the radio as normal and the connections are made automatically.
There are three Nexedge channels there. For a site that size we would typically use two antennas, I'm afraid I don't know where they are on the tower. One would be a receive antenna which goes through a preamp, then a coupler to divide the signal to the receivers. The transmitters would go through a transmit combiner then to the transmit antenna. The equipment has 300ah battery for power outages. The additional redundancy if that if a Nexedge site fails, the next closest site in the network will take over.
