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ISIS uses exploding drone to kill soldiers 2021-05-21

ISIS has expanded its repertoire of killing methods, apparently using an explosives-laden drone in Iraq. The terror group attacked a Kurdish defensive post on October 2 using a drone carrying “some sort of explosives,” a senior Peshmerga officer said. Images of the drone’s remnants show “it appears to be a cheap Chinese drone, easily available on the market,” CNN’s Ben Wedeman said from Irbil, Iraq.

Mobile phones in prisons: Why are they still there? 2021-05-12

Prisons are awash with mobile phones, allowing inmates to continue a life of crime unhindered by locked doors and barbed wire. Why is technology not being used to stop them? Thousands of mobile phones are confiscated in UK prisons every year and many more - smuggled in or thrown over the wall - go undetected.

Drone in aircraft near-miss over Brockworth 2021-05-07

The unlicensed drone was spotted in the Brockworth area at about 19:30 BST on Tuesday, Gloucestershire Police said. It was about two miles (3.2km) south of Staverton Airport when an aircraft was flying at 2,400ft (731m). The drone could have caused a serious collision, police said and anyone with information is asked to contact them.

"Potential" of a drone 2021-04-19

In January 2015, a Washington, DC, hobbyist accidentally flew his DJI Phantom quadcopter drone over the White House fence and crashed it on the lawn. Two years earlier, a prankster sent his drone toward German prime minister Angela Merkel during a campaign rally. Small drones have also proven to be effective tools of mischief that doesn’t make the national news, from spying to smuggling to hacking.

Threat - Deadly Taliban Attack Probably Used Drone, a Worrisome Shift 2021-04-08

The strike targeted the governor’s compound in Kunduz, a province that has seen heavy fighting despite peace talks between Taliban and Afghan government negotiators.

The basic theory of a basic jamming system 2021-03-30

The basic theory of a jamming system is that when the target receiver(handset devices, walkie talkie, IED, drone, etc.) receives an "effective interference signal" more than the "original signal" 6dB to 20dB in the target channel and location, at this time, target receiver can be jammed.

The factors that influence the effect of a signal jammer 2021-03-26

The different radio system has different coding, modulating network organization and channel bandwidth. the best interfering technology is different for the different radio systems, but they have complicated technology, a long-developing period and high price. VCO is a popular and low-cost choice, but also with an effective result for most radio systems.

How can a drone cause so much chaos 2021-03-24

In October 2017, a drone collided with a commercial aircraft in Canada, striking one of the plane's wings. The plane sustained minor damage but was able to land safely. Research on drone damage to aircraft is still limited but a number of institutions have tested a variety of impact scenarios and each seems to reach a different conclusion. Several measurements are taken into consideration by legal authorities to protect public safety and privacy from drone invasion.

The Real Threaten - Annoying Drone Operator 2021-03-10

A further drone sighting has again disrupted the UK's second biggest airport, with flights grounded and passengers unable to fly. Aircraft were left circling above the area during the latest alert, which came at about 17:10 GMT. Flights resumed less than 90 minutes later. A spokeswoman for the airport said the suspension was only as a precaution. She said military measures had been put in place that meant it was safe to reopen.

RF Transmission: Regulations, Interference, and Power Transfer 2021-03-04

Learn about how to transfer maximum power from your amplifier to your antenna, and how to estimate this power using an oscilloscope. An important characteristic of RF technology is the following: it is relatively easy for one person to impede, or even thoroughly ruin, another person’s wireless communication. Radio waves travel through the air and are available to everyone, including those who—intentionally or accidentally—are transmitting signals that could be described as interference.

The Many Frequencies of RF Communication 2021-02-26

There is only one electromagnetic spectrum, but by using different carrier frequencies, numerous RF devices can coexist. The world of RF is a world of frequencies. This is true within a single system or even a single PCB, considering that one RF design may involve signals in multiple frequency ranges. But at this point we want to look at the broad context in which a particular RF system exists; the name we give to this concept is “the electromagnetic spectrum.”

Jamming a signal? Some jamming applications adopted by countries 2021-02-23

In most countries, it is illegal for private citizens to jam cell-phone transmission. However, some countries permit businesses and government organizations to install jammers in areas where cell-phone use is seen as a public nuisance.

Moveable Security Signal Jammer (with built-in battery)

Portable Signal Jammer (110V or 220V)

Wall-Mounting Fixed Site Signal Jammer (110V or 220V)

Rack Jamming System

News

ISIS uses exploding drone to kill soldiers 2021-05-21

Mobile phones in prisons: Why are they still there? 2021-05-12

Drone in aircraft near-miss over Brockworth 2021-05-07

"Potential" of a drone 2021-04-19

Threat - Deadly Taliban Attack Probably Used Drone, a Worrisome Shift 2021-04-08

The basic theory of a basic jamming system 2021-03-30

The factors that influence the effect of a signal jammer 2021-03-26

How can a drone cause so much chaos 2021-03-24

The Real Threaten - Annoying Drone Operator 2021-03-10

RF Transmission: Regulations, Interference, and Power Transfer 2021-03-04

The Many Frequencies of RF Communication 2021-02-26

Jamming a signal? Some jamming applications adopted by countries 2021-02-23

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