Sunday, 8 January 2017

WiFi Enabled LTE Small Cell Gateway Market to Register a Strong Growth By 2021 - PMR

On paper, connecting walkie talkie radios to a Wifi networkis is the most obvious method of controlling and communicating within a business. But the reality is that there aren’t many radios on the market that have the capability to do this and many wifi networks aren’t robust enough to manage lots of radios, this article predicts that this technology will be a growth market, we will wait and see.

WiFi enabled LTE small cell gateway is a type of a base station. Base station uses cellular wireless network for communicating with mobile phones or terminals. Base station connects mobile phones to a wireless carrier network and offers local coverage for a wireless network. The area of coverage varies from several miles to few city blocks. Each base station is typically owned by one carrier or wireless company and gives coverage only for that company's network. It may also offer roaming coverage for other networks in case carriers have agreement for roaming and technology is compatible. Base station comprises of an electronic cabinet which connected by means of cables to a group of antennas. The antennas may be mounted on an existing structure or on dedicated tower structure including top of a building, church steeple or smoke-stack and water tower.

In radio communications, base station refers to wireless communications station implemented at a fixed location and used to communicate as wireless telephone system including cellular GSM or CDMA cell site, part push-to-talk two-way radio system, terrestrial trunked radio and two-way radio. A single location often operates several base stations owned by a different carrier. Smaller types of base stations or small cells include picocells, femtocells and microcells. WiFi enabled LTE small cell gateway is promising network element. A wide variety of base station deployments are in a small cell configuration. It has WiFi interface at end-use device and LTE interface at the carrier network.



Small cell is low-powered radio access nodes (operator-controlled) that operate in carrier-grade Wi-Fi (unlicensed) and licensed spectrum. Small cells normally have a range from 10 to numerous hundred meters. Small cell base stations are expected to play vital role in expanding the capacity of wireless networks due to increasing mobile data traffic. Mobile operators are increasingly looking forward to this technology in order to meet the rising demands for data, video and application access generated due to smart phones and other devices. Small cells aid mobile service that detect presence, interact wand connect with existing networks. Small cells offer increased quality of service and flexibility at an affordable cost. Small cell infrastructure implantation is an environmentally friendly approach as it reduces the number of cell towers and offers a cleaner signal using less power.

Rising numbers of wireless carriers or companies are taking dedicated interest in this industry owing to the proliferation of embedded WiFi features in fixed and mobile devices. Growing demand for more advanced handheld devices such as smart-phones and tablets is expected to create demand for technologies with high internet speed. This in turn, is expected to drive the growth of WiFi enabled LTE small cell gateways.

Tuesday, 20 December 2016

Ham radio: A last resort when phone lines fail

We at this blog believe in radio communications and will never let it die, understanding the importance that it still plays, and during the worst catastrophes, will be the best form of communication. This story about 9-11 adds proof to this statement.

If disaster strikes, there is a form of communication that can still get through: a ham radio.

When 9/11 hit New York City in 2001, for instance, ham radio operators provided a connection to the outside world.

One of those people was amateur radio enthusiast Bob Kyvig, formerly of White Bear Lake, who now lives in Centerville.

“The only communication out there on 9/11 was amateur radio,” Kyvig recalled. “The telephone lines were jammed and no one was going in or out.”

On the days following that horrific attack, Kyvig assumed the role of messenger, relaying messages from Manhattan to loved ones in the area by calling or knocking on their door. His house calls would go like this: “I am Bob; I am a ham operator. I just communicated with your loved one; they are fine and doing well and they will talk to you soon.”

When White Bear Lake sailor Gerry Spiess landed in Samoa on his historic solo voyage across the Pacific Ocean in 1981, he contacted Kyvig, who connected Spiess with his wife Sally.

When Hugo’s tornado struck in 2008, he and wife Jill remained on the radio as long as they could but had to abandon the “ham shack” as the storm approached. The tornado did $30,000 damage to their home, including Kyvig’s outside antennas.

A ham since 1968, long before Facetime, email or Skype, Kyvig was 20 when he took up the hobby while serving in the Navy. He was stationed in Hawaii and had childhood buddies serving in Germany and aboard the USS Milwaukee. The three met on the radio at least once a week without fail for more than 40 years, until the death of one of the men in 2015.

That connection to people is what Kyvig most enjoys. He chats on the radio to people he’s never met around the world.

“It’s a worldwide network of people enjoying fellowship with other hams,” Kyvig said.

The radio operator answers calls for help in areas of “health and welfare,” and was on Centerville’s first CERT (citizen emergency response team), which is now inactive. He serves as a severe weather spotter too, and gains “insights” as to what is happening around the world by chatting to foreigners.

“We talk about everything from fishing, to weather and local problems,” he said. “It’s very interesting because you find out so much about people across the world. And it’s not just the personal part but handling messages for help in disasters.”

He’s listened to astronauts aboard the space station and scientists at the South Pole. He has talked to people in Russia, New Zealand and most of Europe. For a long time, he kept a conversation going with a man in Norway who lived close to some of his relatives. Wife Jill also has her ham license and enjoys talking to other women, known as YLs or young ladies, across the world. “Lord knows what they’re talking about,” Bob said. “I leave the room.”

Ham buffs do have opportunity to meet at events called “eyeball picnics.” The Kyvigs traveled to a picnic in Branson, Missouri earlier this summer to socialize with other hams and match voices with faces.

Without getting too technical, Kyvig explained that radio signals are bounced up through the ionosphere. The signal goes up and down several times before it hits the final destination and you don’t control where it hits. People who want to contact Kyvig can tune into his call number: WA0ROH, assigned by the Federal Communications Commission (FCC), which regulates interstate and international communications. The agency requires operators to keep a log of who they talk to on an electronic spreadsheet.

“We could be talking to people the FCC thinks is a bad guy,” he said. “Because we can transmit all over the world without a phone line, some use it to their own means.”

Other countries have comparable agencies.

Each country has its own beginning call letters. The United States uses W, K and N.

“The concept is simple,” he added. “We use what Mother Nature has provided: airwaves. We plug a number in for a country and anyone can answer.”

A true party line, Kyvig said 30,000 people could be listening in on a conversation.

Jill proudly pointed out that Bob earned a master’s degree from The 3905 Century Club. It’s not the typical academic degree, but a difficult achievement nonetheless. “The degree was a challenge,” he said, which explains why only 68 radio operators have received the degree since 1967.

Bob inspired her to get her license, Jill said, and together they do public service events using ham radio.

Invented in the early ’20s, ham equipment is evolving, but affordable. Newbies can do it for about $300, he said. There are antennas on his roof, but mostly they are horizontal wires stretched between a tree and the house. Generator backup is used if there’s a power outage. He also keeps a mobile 12 volt transmitter that he can use in his truck to chat while he’s driving.

At one time, working knowledge of Morse code was a requirement to get an FCC ham license, but that was dropped, so more people are getting into it, he said.



When he’s not on the radio, Kyvig enjoys making furniture and fixing TVs. He retired from a career in computer operations about five years ago.

Source - http://www.presspubs.com/citizen/news/article_c147ab30-7c25-11e6-9028-679823bb75af.html

Saturday, 17 December 2016

5 Examples of Earpiece to Hear Far Away

1. Using a Mobile Phone And Bluetooth headsets or Earpiece

To do this, you simply need to go into your mobile phone's settings and then change answering mode to Auto; this enables your phone to answer automatically when you ring it. Most mobile phones only work in the Auto answer mode, after you have plugged in the headset.

After turning on the Bluetooth headset, make sure it's properly paired with your cell phone, and confirm the battery has adequate charge. Hide your Bluetooth headset somewhere you know it'll pick up the sounds clearly, however, make sure that it's well hidden.

Leave the room, however, do not go very far. The Bluetooth connection will work through the walls, but if you happen to go far away, it'll not work very well (the range can be up to about 30 feet or 3 rooms away). Now test your cell phone by calling it to see how far you can actually go and still get to hear the bugged room through the Bluetooth headset.

You can wait for the conversations to get to the interesting part, and then turn on voice recorder on the cell phone; it should be able to record via the microphone of your Bluetooth headset.

2. Using a Two Way Radio and Earpiece

Two way radios allow users to communicate when they're far away such that they can not hear each other. These devices use radio frequencies instead of cell phone towers which means they will work in areas where there's no cell phone coverage or reception.

The two way radios offer instantaneous communication; users simply need to press the Push-To-Talk (also known as PTT) key, and they can instantly talk and convey their particular message to the other party. This is due to the quick call setup time that's entrenched in this technology. The ability to offer quick communications is one of the reasons why most organizations prefer the two way radios for their tactical and operational communications.

Another great feature of the two way radios, is the ability to facilitate one to many (also known as, group calls) communications effectively. This basically means that a single user can conveniently communicate with 2, 10, 20, and more, of other two way radio users at the same time. In short, there is no need for you to repeat time and time again when you want to communicate with many people and using a two way radio earpiece, this communication is much more secure

3. Ear Spy Application

Ear Spy App is a great eavesdropping tool. Depending on just how good your cell phone is, this app can become a very high powered listening tool. Ear Spy application can route the audio from your cell phone's mic right to to your headset letting you eavesdrop on the people around you whilst remaining inconspicuous. When using a Bluetooth, you can use this app to spy from a room nearby; you simply need to leave your cell phone near the target, and then use your Bluetooth headset to eavesdrop. If you want to fine tune the incoming signals, you can use the graphics audio equalizer. Whether you wish to eavesdrop on particular conversations or you just want to play some spy games, Ear Spy application will be of great help in your endeavor. You should know that this app requires you to use headphones, otherwise you will get poor audio feedback.

4. Spy Glasses

This spy device comprises of an in built Bluetooth transmitter which looks like ordinary glasses, a microphone and a wireless earpiece. Connections between the glasses, the earpiece and your cell phone are wireless, thus totally unnoticeable to other people; the device's ultra compact design basically ensures nobody will know it is a spy tool. Spy glasses are compatible with almost any mobile phone which has the Bluetooth option. Actually, the Spy glasses are universally compatible with all the standard Bluetooth enabled equipment including computers. Some of the features of this device include; excellent transmission and reception of audio signals, built in microphone, and a large capacity Lithium battery.

5. Micro Air Vehicles (MAVs)

Modern technological advances are ever increasing human's potential for developing tiny things. As for the United States Air Force, this translates to revolutionary designs in the air vehicles to provide the war fighters with new tools which can enhance both the situational awareness, and also the capacity of engaging quickly, accurately, and with minimal collateral damage. This is where Micro Air Vehicles (also known as MAVs) come in. The term MAV or micro air vehicle, refers to the a new type of advanced remotely controlled aircraft (abbreviated as, UAV) that's significantly much smaller than other similar aircraft. Typically, MAVs can easily blend in with the surrounding environment, stay in air for a long period of time, and can go places which can't be reached safely by humans, or most of the other types surveillance equipment.



The target dimensions for MAVs is approximately 6 inches (15 centimeters), and the development of actual insect sized aircrafts is expected in near future. As a matter of fact, various efforts in the research on micro air vehicles have involved attempting to mimic flying insects so as to achieve the flight capabilities which aren't attainable through the use of other means of aerial propulsion. In the year 2007, a bug like Micro air vehicle model with a wingspan of 3 cm was revealed at a robotic's conference; in the year 2008, the United States Air Force released a video showing Micro air vehicles which were the size of a bumblebee; and in the year 2012, some engineers from Johns Hopkins University started studying flight of butterflies to discover how airborne robots can mimic their maneuvers.

The potential military use is 1 of the key driving factors, although the micro air vehicle can also be used commercially, as well as in scientific and mapping applications. The main military use envisioned for the micro air vehicle is gathering of intelligence via the use of microphones, cameras, or other types of sensor.

Conclusion

Some of the above points are illegal, and you should not do any of them. Also, do not use any of the above methods to record any intimate relations; the legal consequences of doing so are very severe. Finally, keep in mind that it's illegal in the US to make recordings of people without their consent/permission; and depending on what you'll do with the recordings, you might find yourself in big trouble.

Monday, 12 December 2016

How Many Walkie-Talkies Can Operate on the Same Channel?

Theoretically, you can use an unlimited amount of walkie-talkies on the same channel (although in practice you might experience a few problems if you took that suggestion literally). Basically, there isn’t really a set limit. You could use as many as you like provided they are set up correctly. Anybody set to the right channel and in range at the time of transmission would then be able to pick up the signal and respond to it.



Most radios have access to 8 channels. These channels each have 38 separate ‘identification tones’. The user sets his/her channel up with the desired tone and then only other users who know the channel/tone will be able to hear the transmissions. As a result, there are, in any given area, about 304 different combinations, so signal interference is unlikely to affect you.

Please do not interpret this answer as saying that your radio has access to 304 possible channels. It does not. It will likely only have access to 8. Some less reputable manufacturers tend to falsely imply access to 304 channels; this is simply not the case. You will have access to 304 possible tone/channel combinations, that’s all.

To better explain the CTCSS codes and how they work; we’ll include a little information from Amherst.co.uk’s FAQ page.

“CTCSS stands for "Continuous Tone Coded Squelch System". These codes are also often called "Privacy codes" If a CTCSS tone is selected; a CTCSS sub-audible tone is transmitted along with the regular voice audio by the transmitting radio. The receiving radio, set to the same CTCSS tone, will only receive audio if it contains that sub-tone. Interference from other users on the same frequency is therefore rejected (unless they are also on the same sub-tone). This is a way of allowing groups of users of walkie-talkies on the same channel to avoid hearing messages from other nearby users”.

So, in conclusion, you can probably use as many walkie-talkies as you like on the same channel. As long as the units in question are of the same type (either VHF or UHF) and have the same CTCSS setup, then you simply shouldn’t have a problem. You also shouldn’t suffer from signal interference due to other users (although you may still experience signal loss/interference/degradation from other sources). We have talked about combating signal loss elsewhere, so please see the other questions if you have any problems in this area.

Saturday, 10 December 2016

Columbia High Trail Family Dome Tent

For those of us who love to travel, all of the planning as well as the trip is pure joy! The worst part of any travel venture is packing, and then hauling around a bunch of luggage. After just a few trips of any length, the savvy traveler gets smart. You learn to pack smart and travel light! Would you believe that a large travel shoulder bag can carry everything you'll need for a month long trip abroad? It's true, though you may find it hard to believe. Let's examine the many virtues of the travel shoulder bag and then get into how to pack efficiently and economically, leaving the unnecessaries behind, but in possession of ample clothing.

Everyone who in ear monitors for singers read this article needs the solution. According to my observation, there is no hard and fast rule that works for everyone. What works for some writers may not work for others. In my case I have discovered that if I write all of my thoughts and feelings first and then go through my whole article with calm mind and at last revise the grammar and spellings. This works better for me and I feel quite comfort while writing my article in this way.



You would want to keep your gadgets safe from pilot language translator, moisture, heat or dust. But there are cameras that are inherently resistant to these external elements. Search for those cameras that can last longer than expected.



The use and maintenance of the cab enclosures is a very easy process on the whole. A very simple instructions manual comes with them to get them fixed to the car. As far as their cleaning is concerned the regular cleaning with your detergent and soap is going to do the trick. For daily cleaning just use any car cleaning rag and for the extra dirt use a soft cleaning brush. The best thing of all is that they can be easily replaced after they have completed their useful life.

verging on extreme conditions crossword clue have several advantages, but the systems will need to be a bit more complex. The ears can be either wired or wireless. Most people use wired in ears for drums and keys and any players that have a station on stage. Players that move around need wireless systems. Most players will need and individual monitor mix for their ears as well. Background singers may be able to share a mix.

If your dad is into gadgets, then there are a lot of options ear plugs for sleeping unique Fathers Day gifts. A USB beverage chiller or warmer is a great gift for dads stuck behind a desk all day. He can keep his coffee hot or his soda cold with these nifty gadgets.

The camping tents should be practically easy to set up. The sophistication of camping tents cannot always correctly measure their time to set up. The general conception about the cost of camping tents is that you get what you pay for. High quality material, better technology, large size etc. make you pay more.

Friday, 9 December 2016

World's slimmest, buoyant DSC handheld radio unveiled

Icom earpieces

The IC-M93D EURO VHF/DSC handheld radio is the successor to the popular IC-M91D. Stylish and slim, this new Icom handheld contains an abundance of features including a dedicated built-in DSC receiver (meets ITU-R M.493-13 Class D DSC), internal GPS and active noise cancelling technology. In addition, an intuitive interface coupled with 2.3 inch full dot matrix high-contrast display and soft keypad makes this a comfortable and easy handportable to operate.

The IC-M93D EURO has an integrated DSC/GPS giving users the facility to send and receive DSC calls. A dedicated DSC receiver continuously monitors CH70 and is independent of the main receiver and other operation. Other important safety at sea offerings include a built-in compass, navigation and Man Over Board features.

Advanced noise cancelling technology on the radio reduces background noise by up to 90 percent on both outgoing and incoming calls making sure your communications are heard. The IC-M93D EURO come as standard with the BC-220 rapid charger which charges the standard Li-ion battery pack in just 2.5 hours. The handheld's extended 1500mAh Li-Ion battery life provides a full day of use.



The IC-M93D EURO features Icom's exclusive Float'n Flash and AquaQuake technology. Should the radio be dropped overboard, a flashing light will activate, making it easier to locate. The Float'n Flash feature works regardless of whether the power is turned on. The AquaQuake draining function uses low-frequency sound waves to clear water away from the radio's speaker grill for clear audio.

Additional radio features include the IPX7 waterproof rating, 50 waypoint memories with alphanumeric names for navigation and a loud speaker.

Ian Lockyer, Marketing Manager of Icom UK, said: 'The IC-M93D EURO combines advanced safety features with an intuitive user interface for faster and easier access to all the radio functions.'

The IC-M93D is now available to buy from authorised Icom Marine Dealers with a suggested retail price of £349.95 including VAT.

Sunday, 27 November 2016

Those New Tracks You’re Listening to Are About to Sound Much Better

SO you’re walking down the street and suddenly the music kicks in, you drop to the ground and pull your earphones out of your ears! “what just happened” you think, then you realise the un-pause on the mp3 has just kicked in and you forgot to turn it down. Well people this will be a problem of the past with these earphones, Now all I need them to do is make coffee. VERY IMPORTAN You can find the original article here

What’s been your favorite set this weekend? Or the best new track you’ve shared with all of your friends? Well take that track and imagine listening to it in exactly the way your ears want you to.

Meet the Even earphones, who tune themselves to each person’s particular hearing. At just under $100, they customize the sounds they play to suit your own audio needs. They use their own EarPrint technology that measures how you hear different frequencies, then sets the earphones to play back sound specifically for each ear. As a result, the headphones give you a profile tuned to your own ear (each ear with its own profile).

One of the biggest things that originally drew me to the earphones was the fact that they are not a pre-order campaign â€" they have physical earbuds available now. The company, who launched in in June, has sold out batches twice thus far and are continuing to take orders on their website. Luckily, I was able to get my hands on a pair to try out as well.



I’m pretty picky about the gadgets I use for audio, as I’m constantly listening to music â€" digging for new sets on Soundcloud, reviewing new tracks, jamming out in my own world. Being able to plug in and listen to my own music is what allows me to focus and, as a result, I’m very specific about the type of earphones or headphones I use. That being said, I was overly ecstatic when I was handed a pair of Even earphones to try out.

First, their appearance: the cords are a high-quality string that have a smooth look and feel. The buds look sleek, with a simple black-and-white color scheme â€" one black, one white, with the EarPrint device hanging at the middle of the cord, meant to dangle at your chest. They don’t tangle easily, which makes them easier to carry without having to worry about dealing with knots. They’re the type of earphones I wouldn’t mind wearing out in public.

Next: the sound test. This is where we meet “Sarah,” the soothing female voice that guides you through a number of sounds to test where your hearing level is at. This test was very straightforward â€" Sarah literally starts by saying “Hi, this is really easy” â€" and felt very conversational as she talked you through each noise. Five pieces of music are played for each ear, and you’re required to hit the button once you hear the sound. Though the process takes a little bit longer than I’d like, it’s seamless.

Overall quality of the listening experience was great. I switched between my Bose over-ear headphones and the Even earphones to test the difference in sound quality and worked to try a few subgenres of electronic music to see how each would sound between both pairs. I started off by listening to Louis The Child’s set from Lollapalooza this year and instantly found that the vocals were much more emphasized than in my Bose headphones. Next, I moved on to Mikey Lion’s live set from Desert Hearts 2016 and loved the emphasis on the bass I was hearing â€" the Even earphones made it much more of an all-around experience. I then switched over to Troyboi’s tracks Do You? and O.G. to continue to test this bass theory and, again, Even delivered.

As my hearing is likely damaged based on the amount of festivals and shows I’ve attended over my lifetime, it was much appreciated that the earphones were able to pick up on the frequencies I have more trouble hearing to create the full experience tracks deserve. Interestingly enough, every time I switched back to my Bose headphones to compare, I had to turn the volume down because it came at full blast and was overwhelming â€" and, when I did, the clarity between vocals and bass was lost. All in all, these babies pack a punch with their sound quality when it comes to electronic music.

It’s refreshing that these earphones don’t require using an app, since that seems so commonplace nowadays. All of the information that goes into your profile is saved in the little box hanging onto the string, so you can plug them into any device â€" phone, laptop, iPod, whatever you want â€" and still have your own profile saved. I found this extremely helpful, as it meant that I don’t have to re-adjust my volume based on what device I’m using. Beyond that, it’s a refreshing change from listening to sets with friends and having to change the volume based on everyone’s sensitivities. It makes listening much simpler and, quite frankly, electronic music better. How could you say no to a custom-made, surround-sound system in your own ears?

To get you started, here a few sets, old and new, you may enjoy listening to in the earphones (ok, to be fair, these are sets that I would want to hear in them):