Faraday bags, on the other hand, incorporate a special fabric with a wire mesh sewn into it. This wire mesh serves the same function as the bars in a full-sized faraday cage. The only difference is that you\u2019re working on a smaller scale. Keep in mind, though, that this technology only works if your device is completely enclosed. When a faraday bag is open, it\u2019s not completely shielding your device.<\/p>\n
Today, we\u2019re going to review four of the best signal-blocking faraday bags for key fobs, smartphones, tablets, and other devices. We\u2019ll start out by taking a look at the Mission Darkness Faraday Bag for Keyfobs. This is a compact, affordable key fob pouch that comes in a two-pack. Next, we\u2019ll check out the OffGrid by EDEC Cell Phone Faraday Bags. This is an ultra-durable bag for smartphones, tablets, or laptops. Third up, we\u2019ll review the Silent Pocket Quick Access Smartphone Faraday Bag. This is a rugged laptop or smartphone pouch with an external transparent window. Finally, we\u2019ll examine the POWR Faraday Bags. This is a two-pack of reliable key fob protectors. But which one is the best for you? Let\u2019s take a closer look at all four, and see how things shake out!<\/p>\n
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<\/a><\/p>\n <\/p>\n Mission Darkness is a company with a lot of experience with faraday cloth. A while back, we reviewed their\u00a0radiation shielding throw blanket, and we liked what we saw. So when it came time to look for faraday bags, we knew we would give theirs some serious consideration. The\u00a0Mission Darkness Faraday Bag for Keyfobs\u00a0comes in a two-pack. This makes it great for cars, since you\u2019ll probably have two different fobs to protect. Each one is constructed with a durable black nylon exterior that can take some significant abuse.<\/p>\n The ballistic nylon is also water-resistant, so a little rain is no concern. Keep in mind that the bag isn\u2019t watertight, and will fill with water when immersed. But you don\u2019t have to worry about most sources of moisture. With an internal usable space of 3.5 x 5.5 x 0.1 inches, it\u2019s fairly small. You won\u2019t be able to use these pouches for smartphones or anything larger. But they\u2019re perfectly-sized for key fobs.<\/p>\n The inner material is made from three layers of powerful faraday fabric. This makes the pouch surprisingly thick, considering the small internal dimensions. It\u2019s correspondingly durable, though. There\u2019s double-stitching around all the edges, so tearing and fraying are not a concern at all.<\/p>\n The front of each pouch sports a Mission Darkness logo tag at the bottom. Towards the top, there\u2019s an elastic band that stretches from side to side. This band holds the closure flap shut, while making it easy to open in a moment. On the back of each pouch, you\u2019ll find a belt loop. This makes them easy to carry without having to cram them into a pocket. Alternatively, you can use the key ring loop to attach to your keys, or to a carabineer.<\/p>\n We\u2019ve established that the Mission Darkness bag has a sturdy design. But how well does it actually work? As long as the flap is properly closed, it performs very well! It effectively blocks WiFi, Bluetooth, your phone signal, RFID tags, and other EMF radiation. On average, you\u2019re looking at an overall signal reduction of 90dB, at frequencies up to 40GHz. All in all, we didn\u2019t have any complaints about this bag\u2019s effectiveness.<\/p>\n On the downside, the faraday fabric seems to wear out easily, as the bag is repeatedly opened and closed. After a few weeks to a few months, you may see some drop in effectiveness. Then again, these are very affordable bags, so you\u2019re still getting a good value.<\/p>\n The\u00a0OffGrid by EDEC Cell Phone Faraday Bags\u00a0ship individually, but they come in six different varieties. For one thing, you have a choice of black or grey material. For another thing, you can choose three different sizes. The smallest has a capacity of 5.49 x 8.03 inches, big enough for a large smartphone. The medium has a capacity of 8.35 x 11.44 inches, and it\u2019s designed for tablets. The largest, laptop-sized bag has a capacity of 11.98 x 17.89 inches. If anything, we\u2019d ay the smallest bag is too big, since it won\u2019t fit in your pocket. But then again, it\u2019s big enough for even the largest modern phones.<\/p>\n The material itself is very high quality. The outer shell is made from a tightly-woven material that\u2019s so smooth it almost looks like plastic. This material is exceptionally strong, and resistant to both tearing and slicing. The seams are thermally welded, which has a couple of different advantages. For one thing, it makes for a more secure bond that ordinary stitches. For another thing, it prevents the faraday material from being compromised during the stitching process.<\/p>\n The top of the pouch closes with a dual magnetic and velcro closure. The magnet makes for a quick, snap-together closure. The velcro, on the other hand, provides a little more security if you press it down. The inner faraday material is military-grade, with four layers for plenty of thickness. It\u2019s also reasonably soft on the inside, so it won\u2019t scratch any screens.<\/p>\n <\/p>\nMission Darkness Faraday Bag for Keyfobs<\/h3>\n
Effectiveness<\/h4>\n
OffGrid by EDEC Cell Phone Faraday Bags<\/h3>\n
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