Faraday Bag for Cell Phone or Car Keys

Wow, these Faraday cases fit our Samsung phones just perfectly, and work exactly as intended....when the phone is inside the silver-lined compartment, you can call the phone, but it won't ring. This is exactly what we need to be protected from either interruptions or surveillance. The case will fit nicely in a bag or a deep pocket. I don't quite see how I'll also get my key fob in there without scratching the phone, but I'll experiment. We may order some in the next larger size to have some more flexibility. Very happy with this purchase!

I have to be honest, when I purchased a set of these I had the complete expectation that they will not function properly for the purpose of shielding my car's keyless entry fob from wireless range extender attacks, as a lot of products on Amazon only claims to be able to do so, while the only product that appeared to work costs $35 each. I skeptically placed my key into this $9 pouch and tried to unlock my car by standing next to my door, and was immediately disappointing by the fact that the car immediately recognized the key and allowed entry. Boy was I furious! Then I remembered reading something about a "silver" section of the pouch being the actual signal blocking section, and placed the key into that section instead. From that point forward the car didn't react AT ALL to my interactions, despite me jamming the pouch right next to the handle! I'd absolutely give this a 5 stars and recommend it to anyone who would like to protect their car from signal booster attacks. I only wish there's a smaller version that is purely designed for a keyfob, as I would happily purchase some for myself, friends and family.

I purchased this to store my credit cards in, I like the layer of protection I have when traveling or just going to the store Works great I would of preferred a little bit bigger of a pouch This was made well, my cards fit, but could have used and extra width. Fits in my bag with no problem Like the color

This is fantastic. I bought it to protect my cell phone and find it easier in my tote bag. My phone is a Samsung Galaxy S25+ with a case. Both easily fit inside the Faraday bag . I do not put my credit cards in it since my wallet protects them. I put some currency in the front pocket. I do not go to concerts or demonstrations so it was not purchased for protection from tracking.

This works. Period. I was a skeptic at first, so of course I tested it as soon as I received it. It immediately blocked my BMW entry key, so it was off to a good start. I then placed my S8 in the pouch with the Bluetooth and location-monitor activated. My vehicle's iDrive communication system was unable to discover my phone and therefore could not connect with my phone's Bluetooth. After being placed in the pouch for one minute, my phone actually shut down into a standby mode which I have never seen. I keep my compact credit card/I.D. holder in the pouch now, but I have no means of testing it. My previous occupation of 20 years alerted me to the unbelievable amount of identity theft through any new technological means, so if you have any desire to protect documents or devices I have found that this seems to work.

My wife got these cause she was afraid of our cell phones, putting out some something at night. I don’t understand it, but anyway they must work because nothing works that you put in there. They can’t receive anything so I’m assuming nothing‘s going out either

Does not work. Save your money. I had a Youtube video playing on my cell phone, put it in the "silver layer pocket" and it kept playing. This is the company's description and why I originally purchase the supposedly Faraday Bag... "Block Cell Phone Signal - If you don't want to answer the phone, you can put the phone in the silver layer pocket of the bag and close it, then the phone will be disconnected; this bag can also block Cell Phone GPS Signal to prevent tracking, protect your privacy." If there was a "no star" to award, I would have done that.

I bought this awhile ago and initially did a few basic tests with it: - Paired a bluetooth gamepad with the phone, placed phone in back pouch and the gamepad lost its connection pretty much instantly even when being a few inches away. - Put the phone in the back pouch with service active, waited a few seconds, took it out and the notification light was blinking red and there were zero bars, pretty much indicating that they cell towers couldn't be reached at all. - Ran a wifi direct connection then used another phone to search for the signal and nothing could be found. I didn't call the phone while it was in the pouch, but as it couldn't even find a cell tower signal to read from I doubt that an incoming call would reach it. As an aside from those saying it doesn't block texts. Texts are automatically sent as soon as the phone receives a cell signal. You can't block them as far as I know; outside of changing your APN mms settings that is. I have noticed some strange indicators which lead me to believe that it may not be 100% effective at blocking wifi signals. I keep my phone locked down and in airplane mode when I'm not using it and when occasionally visiting local fastfood joints that offer free wifi (Which I never use) I often notice that my battery will take a 1% drop at or around the time I am there. All afternoon, night and morning it will be solid at whatever percentage its at, but around the time I enter the hotspot area, *BAM* 1% battery drop. Either someone's using hi-powered wifi which the anti-RFID material in this bag can't adequately absorb or the bag isn't blocking everything and it can read the wifi hotspot signals and is trying to examine the hotspot. Right now I'm assuming that it doesn't block everything and recommend doing as someone else suggested and purchasing a tablet-sized RFID bag and placing this inside it for %100 effectiveness. I haven't tested whether GPS signals are blocked, but it seems if bluetooth, cellular and mostly wifi are blocked then lesser powered GPS signals should be blocked as well, but I'm not certain. Size-wise, its big enough to hold even large phablet-sized phones though it would be nice if it were a bit bigger and able to hold multiple devices. It seems durable enough. I've opened it numerous times over the weeks I've had it and the velcro seems to be holding up. The stitching seems to be holding up. Overall, a nice enough RFID blocker. You should definitely retest it at regular periods to make sure the stitching and material is holding up and doing its job, especially if you have important stuff to protect. All this hacking going around is why having a device with a removable battery is important. Would love it if Samsung, Google, Qualcomm or whoever would put the wireless hardware on a chip that can be completely removed from the device to ensure 100% non-transmission since removable batteries are no longer the norm. Would totally obliviate the need for this as a less than 100%-reliable workaround for securing your phone/connected devices in certain situations.

It was quite sizable and useful to contain both my big phone car keys and other essentials. It is good at the blocking off rfid signals and durable too.

Great size,works very well recommended

Ich bin sehr zufrieden mit dieser Abschirmtasche - sie tut was sie soll!!

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