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But, that’s not to say 5G is perfect. One major drawback has to do with why it’s so fast. See, 5G uses a mix of frequencies, with most of the attention on millimeter waves compared to the 15-40 centimeter-long waves used by 4G. And shorter waves and higher frequencies have one big drawback: They don’t go very far. Whereas on 4G networks, you can go ten kilometers and barely lose signal. 5G maxes out at about 300 meters, and it can’t even go through walls or rain.
NurPhoto/Getty Images So, what does that mean? Well, it’s a gift and a curse. Having such a short signal distance means building a lot of transmitters, every couple hundred meters in every direction. On the other hand, it also means that you can pack more devices into one area.
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Currently, 4G allows connectivity to a million devices in 500 square kilometers. That’s about the size of Chicago. 5G, on the other hand, will allow a million devices in 1 square kilometer, or a bit smaller than Grant Park in Chicago. Meanwhile, some companies like T-Mobile are claiming to have successfully managed to pull off 5G on the old 4G frequency of 600 MHz, which can serve hundreds of miles in every direction from a single tower.
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However, reports are mixed about whether or not they’ll be able to achieve the speeds and latency we’ve talked about here. ONJANUARY 1, 1970EDIT "BEST CROWDFUNDING PROJECTS ON KICKSTARTER AND INDIEGOGO THIS WEEK" Best Crowdfunding Projects on Kickstarter and Indiegogo this Week At any given moment, there are approximately a zillion different crowdfunding campaigns happening on the web. Take a stroll through Kickstarter or Indiegogo and you’ll find no shortage of weird, useless, and downright stupid projects out there — alongside some real gems. We’ve cut through the fidget spinners and janky iPhone cases to round up the most unusual, ambitious, and exciting crowdfunding projects out there this week. Keep in mind that any crowdfunding project — even those with the best intentions — can fail, so do your homework before cutting a check for the “gadget of your dreams.
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” December 23 Cambuddy Plus If you’re a professional photographer — or just a passionate hobbyist — you probably take pictures wherever you go, even if you don’t have a computer handy. That can pose a problem when it comes to storing your photos. Maybe you need to get them to a coworker quickly, maybe you accidentally dropped your SD card in the woods; a lot of things can happen to destroy your photos before you’ve had a chance to back them up to a hard drive. The Cambuddy Plus can help.
It’s an attachment that grants your camera Wi-Fi, GPS, and 4G LTE connectivity, so you can instantly back up any photos you take to cloud services, and in RAW format no less. DT’s Hillary Grigonis says: “Wi-Fi add-ons allow cameras without connectivity the option to connect to a smart device, but with most models building Wi-Fi inside, the accessories are becoming less popular. Bluetooth-equipped models allow for auto-backups, but only with low-resolution files.
The Cambuddy Plus uses 4G LTE, however, allowing for cloud-based backups while shooting. The 4G is also paired with high-speed 2.4G/5G dual-band 802.11 ac Wi-Fi with a maximum transfer speed of 10 MB/s.” Roidmi P8S car air purifier Air pollution is a serious problem in major cities around the world, and while people may think they are safe sitting in their cars, that’s not the case. Even within the confines of a car, contaminants still get in; the air quality can be even worse for people in cars than those walking or cycling, as fumes from nearby vehicles seep in and settle.
In some big cities, air pollution is so bad that it hits one’s lungs as hard as smoking. The Roidmi P8S offers a solution. The P8S is a Bluetooth enabled air purifier that fits on the rear seat of a car, turning on when you start the engine.
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