20 Best Sentry Phone Blocker in 2024 Reviews and Buying Guide

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1 6 Pcs Phone Protection Stickers Neutralizers for Smart... 6 Pcs Phone Protection Stickers Neutralizers for Smart... No ratings yet
2 TOMUM EMF Shield Sleeve for Cell Phone - EMF Protection Smartphone Pouch - Anti EMP Bag - Signal... TOMUM EMF Shield Sleeve for Cell Phone - EMF Protection Smartphone Pouch - Anti EMP Bag - Signal... No ratings yet
3 6 Pcs Protection Stickers for Cell/Smart Phones, Laptops, Tablets, TV, Monitors - All Devices... 6 Pcs Protection Stickers for Cell/Smart Phones, Laptops, Tablets, TV, Monitors - All Devices... No ratings yet
4 Cell Phone EMF Protection Neutralizers - Slim Design - Proudly Made in The USA - Developed by Dr.... Cell Phone EMF Protection Neutralizers - Slim Design - Proudly Made in The USA - Developed by Dr.... No ratings yet
5 Radiation Blocker for Cell Phone w/Cell Phone Jammer - 2x EMF Protection for Cell Phone W Duel Anti... Radiation Blocker for Cell Phone w/Cell Phone Jammer - 2x EMF Protection for Cell Phone W Duel... No ratings yet
6 2Packs E|M|F Blocking Shield Sleeves For Cell Phone, Anti-EMP Faraday Bags for Smartphone Signal... 2Packs E|M|F Blocking Shield Sleeves For Cell Phone, Anti-EMP Faraday Bags for Smartphone Signal... No ratings yet
7 ONEVER Signal Blocking Bag, GPS RFID Faraday Bags for Phones Faraday Bag Pouch Shield Cage Wallet... ONEVER Signal Blocking Bag, GPS RFID Faraday Bags for Phones Faraday Bag Pouch Shield Cage Wallet... No ratings yet
8 10Pcs Protection Cell Phone Stickers 99% Effective Protector Cell & Smart Phones, Laptops, Tablets,... 10Pcs Protection Cell Phone Stickers 99% Effective Protector Cell & Smart Phones, Laptops,... No ratings yet
9 10Pcs Protection Cell Phone Stickers 99% Effective Protector Cell & Smart Phones, Laptops, Tablets,... 10Pcs Protection Cell Phone Stickers 99% Effective Protector Cell & Smart Phones, Laptops,... No ratings yet
10 Welohas Faraday Pouch,Radiation Protection Faraday Bag,Signal Jammer Car Key Case,EMF Blocker for... Welohas Faraday Pouch,Radiation Protection Faraday Bag,Signal Jammer Car Key Case,EMF Blocker for... No ratings yet
11 WAVEBLOCK EMF Blocker for Cell Phone - Made for iPhone 15 - The Only Patented Real Scientifically... WAVEBLOCK EMF Blocker for Cell Phone - Made for iPhone 15 - The Only Patented Real Scientifically... No ratings yet
12 Faraday Bag for Cell Phone & Key Fob - Faraday Phone Case - RFID Signal Blocking Pouch Blocker for... Faraday Bag for Cell Phone & Key Fob - Faraday Phone Case - RFID Signal Blocking Pouch Blocker... No ratings yet
13 Ribbonlic 3 Pcs EMF Blocking Phone Case EMF Shield Sleeve Protection Cell Phone Pouch Fits in Pocket... Ribbonlic 3 Pcs EMF Blocking Phone Case EMF Shield Sleeve Protection Cell Phone Pouch Fits in... No ratings yet
14 Shield Your Body Anti Radiation Cell Phone Pouch, Cell Phone Sleeves for Blocking EMF, Radiation... Shield Your Body Anti Radiation Cell Phone Pouch, Cell Phone Sleeves for Blocking EMF, Radiation... No ratings yet
15 AIMQWEST Faraday Shield - 8'x4' Carbon Fiber Phone Case for EMP, RFID, & Signal Blocking - Ultimate... AIMQWEST Faraday Shield - 8"x4" Carbon Fiber Phone Case for EMP, RFID, & Signal Blocking -... No ratings yet
16 Tuulin 2 Pack Faraday Bags For Car Keys and Cell Phone, Signal Blocking Key Pouch, Anti theft Car... Tuulin 2 Pack Faraday Bags For Car Keys and Cell Phone, Signal Blocking Key Pouch, Anti theft Car... No ratings yet
17 HALSA EMF Protection Cell Phone Sleeve, EMF Blocking Carrying Case, Phone Pouch. High Shielding... HALSA EMF Protection Cell Phone Sleeve, EMF Blocking Carrying Case, Phone Pouch. High Shielding... No ratings yet
18 DefenderShield Universal Cell Phone Radiation Protection 5G & EMF Blocker Wallet Case - RFID... DefenderShield Universal Cell Phone Radiation Protection 5G & EMF Blocker Wallet Case - RFID... No ratings yet
19 Radiation Blocker for Cell Phone Cell Phone Jammer - 2X EMF Protection for Cell Phone W Duel Anti... Radiation Blocker for Cell Phone Cell Phone Jammer - 2X EMF Protection for Cell Phone W Duel Anti... No ratings yet
20 LVFEIER Security Pouch - Cell Phone Anti-Tracking Anti-Spying GPS RFID Signal Blocking Bag Shielding... LVFEIER Security Pouch - Cell Phone Anti-Tracking Anti-Spying GPS RFID Signal Blocking Bag... No ratings yet

Bestseller No. 1
6 Pcs Phone Protection Stickers Neutralizers for Smart...
  • 6 Pcs Protection Cell Phone Stickers: You will get 6 pieces stickers in the package for you.you can use them with confidence for cel l...
  • No affect phone use: Our protection stickers do not interfere with cell phone signals or wireless charging.
  • Easy to use: Protection stickers so light that will not make the phone heavier.Just clean the surface of the electronic device, then remove the...
  • Wide Application: The protection sticker works for all electronic and suitable for any place where there are electronic devices, such as homes,...
  • Customer Care: The protection stickers works for a long time and you don't need to change it every year.We provide quality after-sale
Bestseller No. 2
TOMUM EMF Shield Sleeve for Cell Phone - EMF Protection Smartphone Pouch - Anti EMP Bag - Signal...
  • Ultimate Protection from EMF Radiation: The Tomum EMF Protection interior is constructed with a high-purity silver composition, offering superior...
  • Secure Signal Reducing: Tomum EMF Protection isolates your phone from surrounding electromagnetic noise, reducing incoming/outgoing signals, including...
  • Universal Phone Bag for All Sizes: Tomum EMF Protection is designed to accommodate a variety of cell phone sizes, measuring 8" x 4" and equipped with...
  • Mitigate Potential Health Concerns: With its EMF-reducing composition, it effectively alleviates potential health issues associated with prolonged...
  • How to Test its Effectiveness: In order to evaluate EMF radiation, employ a reliable method by using an EMF meter to compare RF and microwave...
Bestseller No. 3
6 Pcs Protection Stickers for Cell/Smart Phones, Laptops, Tablets, TV, Monitors - All Devices...
  • Protection Stickers: You will get 6 pieces of cell phone stickers in the package for you.you can use them with confidence for cell...
  • No affect phone use: Our protection stickers do not interfere with cell phone signals or wireless charging
  • Easy to use: protection stickers so light that will not make the phone heavier.Just clean the surface of the electronic device, then remove the...
  • Wide Application: The protection sticker works for all electronic and suitable for any place where there are electronic devices, such as homes,...
  • Great Service: The protection stickers works for a long time and you don't need to change it every year. We provide quality after-sale
SaleBestseller No. 5
Radiation Blocker for Cell Phone w/Cell Phone Jammer - 2x EMF Protection for Cell Phone W Duel Anti...
  • Faraday Protection: Defend your devices from electromagnetic pulses with our cutting-edge Faraday bags for phones.
  • Adaptable Design: Tailored dual compartments for seamless organization and safeguarding of your unique needs.
  • Secure Connectivity: Front pouch pocket enables call and text functionality while maintaining protection.
  • Privacy Fortress: Back Faraday bag pocket acts as a fortress against hackers and unwanted breaches.
  • Universal Fit: Accommodates most cell phone models for convenient storage and portability.
SaleBestseller No. 6
2Packs E|M|F Blocking Shield Sleeves For Cell Phone, Anti-EMP Faraday Bags for Smartphone Signal...
  • 【Advanced EMF Blocking】: Protect yourself from electromagnetic interference with our top-grade EMF blocking fabric. Advantage: Keep your body and...
  • 【Superior Shielding Capability】: Fortify your devices against EMP, with military-grade shielding. Advantage: Our sleeves block out unwanted 5G RF...
  • 【Universal Fit Design】: Our sleeves stylishly fit most phones including iPhone 12/14/15pro and Samsung Series. Advantage: Versatile size fits...
  • 【Travel-Ready Privacy】: With our privacy-secured sleeves, take your smartphone anywhere. Advantage: Shield against electronic pick pocketing and...
  • 【Effortless Testing】: Verify the shielding effectiveness with our simple test steps: you can both call your phone after 3 seconds entering in the...
Bestseller No. 7
ONEVER Signal Blocking Bag, GPS RFID Faraday Bags for Phones Faraday Bag Pouch Shield Cage Wallet...
  • Protect Your Privacy: Keep your personal information safe from hackers with our faraday bag. The faraday phone bag protects your "smart-cards and...
  • Signal Blocking Bag: Our faraday bag for phone features an inner layer that blocks signals and an outer normal layer that looks stylish and can be...
  • Convenient To Use: Easily store your ID card, credit card, smart card, nfc card, car key fob and other magnetism-sensitive items in our faraday bag to...
  • Faraday Bag Key Fob: Protect your privacy and your car's security system from getting hacked with our cell phone faraday bag, which blocks GPS and...
  • What You Get: You'll receive 1 faraday bag, an 18-month worry-free warranty, and 24-hour email contact service. If you have any questions or concerns,...
Bestseller No. 8
10Pcs Protection Cell Phone Stickers 99% Effective Protector Cell & Smart Phones, Laptops, Tablets,...
  • Work well: you can use them with confidence 99% Protection Sticker: 99% protection sticker for cell phone, laptop, computer etc.
  • Not Affect Phone Use: This Stikcers not interfere with the signal of phones or wireless charging.
  • Wide applications: these phone stickers are useful that can be applied to tablets, mobile phones, kindles, computers, air conditioners, refrigerators,...
  • Light and portable: they are so light that will not make the phone heavier, you can regard the electronic devices as tags that avoid mixing with other...
  • Abundant : there are 10 pieces of cell phone stickers in the package for you, you are able to take full advantage of them according to your needs, and...
Bestseller No. 9
10Pcs Protection Cell Phone Stickers 99% Effective Protector Cell & Smart Phones, Laptops, Tablets,...
  • Work well: you can use them with confidence 99% Protection Sticker: 99% protection sticker for cell phone, laptop, computer etc.
  • Not Affect Phone Use: This Stikcers not interfere with the signal of phones or wireless charging.
  • Wide applications: these phone stickers are useful that can be applied to tablets, mobile phones, kindles, computers, air conditioners, refrigerators,...
  • Light and portable: they are so light that will not make the phone heavier, you can regard the electronic devices as tags that avoid mixing with other...
  • Abundant : there are 20 pieces of cell phone stickers in the package for you, you are able to take full advantage of them according to your needs, and...
SaleBestseller No. 10
Welohas Faraday Pouch,Radiation Protection Faraday Bag,Signal Jammer Car Key Case,EMF Blocker for...
  • Upgraded Material & Design : Our faraday bags phone sleeve has three layers : the first outer layer is premium fabric,the second and third inner layer...
  • Effective Shielding Capabilities : Our key fob cover not only shield phone EMF radiation,but aslo block WiFi, Bluetooth, cell signals, GPS and car key...
  • Slim Universal Size,Fits Most Phones : Our emf protection for cell phoner pouch fits cell phones up to 6.7 inch. The phone sleeve measures 7.87 inches...
  • Right Test Method : Please use an EMF Meter to compare RF/microwave levels inside and outside the anti radiation cell phone case.It's not accurate...
  • Worry Free Srvice : We provide one-year quality assurance service.If you're not satisfied with our radiation blocker for cell phone,we'l provide full...
Bestseller No. 11
WAVEBLOCK EMF Blocker for Cell Phone - Made for iPhone 15 - The Only Patented Real Scientifically...
  • CREATED BY A CONCERNED FATHER TO PROTECT HIS KIDS AND FAMILY, WaveBlock was born from a father's determination to protect his children. Driven by...
  • DON'T BE MISLED BY INEFFECTIVE IMITATIONS: Many so-called wave reduction stickers on the market are merely marketing gimmicks that fail to block...
  • THE ONLY VERIFIED SOLUTION: WaveBlock stands out with over $1 million invested in research and development. Our patented electromagnetic wave...
  • PROUDLY MADE IN THE USA: Our scientifically verified WaveBlock stickers are 100% made, designed, tested, and shipped in the USA. Unlike cheap and...
  • GUARANTEED RESULTS: WaveBlock stickers are the culmination of countless hours of design, development, and testing to provide unparalleled protection...
Bestseller No. 12
Faraday Bag for Cell Phone & Key Fob - Faraday Phone Case - RFID Signal Blocking Pouch Blocker for...
  • PRIVACY PROTECTION - ARMADILLO PRO-TEC faraday bags for phones and car keys block all signals going to and from your devices and guarantee strong and...
  • PROTECT YOUR CAR FROM CAR THIEVES and prevent theft of your keyless entry car key. Key fob protector stops the signal from being remotely amplified,...
  • TRAVEL SAFELY – EMP proof faraday phone sleeve is one of the essentials you may need during your travels or business meetings to avoid personal data...
  • UNIQUE DESIGN - the only faraday bags with quick release magnet closure and additional back up velcro closure. They fold without deformation or damage...
  • OUTSTANDING QUALITY - stylish and unique cases are compact size, light weight and reliable as they are made of a latest generation nylon outer...
SaleBestseller No. 13
Ribbonlic 3 Pcs EMF Blocking Phone Case EMF Shield Sleeve Protection Cell Phone Pouch Fits in Pocket...
  • Package Include: you will receive 3 pieces of gray EMF protection cell phone sleeves; Put your phone in the pocket and close the bag, and you will...
  • Suitable Size: this cell phone pouch will fit most smartphones on the market today; The sleeve measures approx. 7.5 x 4 inches/ 19 x 10 cm; It...
  • Powerful Emf Blocker: the EMF protection cell phone sleeve is made out of quality silver which is known for its EMF shielding properties; This ensures...
  • Mitigate Potential Health Concerns: with its emf blocker for cell phone, it effectively alleviates potential health issues associated with prolonged...
  • How to Test: do not place a cell phone inside the signal blocking phone case and then try to call it; This is not an accurate way of testing the...
SaleBestseller No. 14
Shield Your Body Anti Radiation Cell Phone Pouch, Cell Phone Sleeves for Blocking EMF, Radiation...
  • Powerful EMF Blocker - Shield Your Body with this EMF-blocking cellphone sleeve from SYB. The rear of this anti EMF phone case is lined with a fine...
  • Shields One Side Only, No Interference - Use your cell phone confidently with this sleeve phone case! Our phone radiation blocker shields on its back...
  • Smart and Convenient Design - Carry your phone safely using our anti radiation phone case. Its open-top design lets you easily connect chargers &...
  • Convenient Size & Colors - The SYB anti-radiation XL EMF sleeve is made for phones up to 3.25in wide. It comes in 6 stylish colors: black, blue,...
  • Quality You Can Trust - Keep your phone safe and sound with our anti radiation shield pouch! It’s made from durable neoprene, so it can withstand...
Bestseller No. 15
AIMQWEST Faraday Shield - 8"x4" Carbon Fiber Phone Case for EMP, RFID, & Signal Blocking - Ultimate...
  • Comprehensive EMP & RFID Blocking: Our case features state-of-the-art shielding material that intercepts all wireless signals, ensuring your personal...
  • Robust Environmental Resistance: Crafted with high-quality materials, this case offers unmatched protection against environmental elements and the...
  • Secure Seal Technology: The case's heavy-duty Velcro closure system provides a secure seal, ensuring that once your devices are enclosed within, they...
  • Universal Compatibility: Designed with versatility in mind, our Faraday case is compatible with a broad array of electronic devices, including but not...
  • Travel-Ready and Discreet: With its sleek and lightweight design, coupled with a non-descript exterior, our case is an ideal companion for both travel...
Bestseller No. 16
Tuulin 2 Pack Faraday Bags For Car Keys and Cell Phone, Signal Blocking Key Pouch, Anti theft Car...
  • 【 Car Protection 】The signal blocker pouch bag stiching with shielded material which stop thieves amplifying your fob signal and opening car, stop...
  • 【 Mobile Phone Signal Jammer】 Blocks & Unblocks in just 5 seconds! Discourages phone use while driving - no notifications, no distractions! Fit...
  • 【 Convenient and Portable】 Inner silver layer can blocks signals, outer waterproof cloth for daily use. Added holder in for carry and hang,...
  • 【RFID Card Protector 】The pouch blocking all signal for all device which can put in. With advanced RFID blocking technology, no more worries about...
  • 【Large and Tuulin Quality Premium】 Fit for all size of smart Phones like iPhone, Samsung Galaxy, Galaxy Note, Google, Xiaomi, Huawei and more
Bestseller No. 17
HALSA EMF Protection Cell Phone Sleeve, EMF Blocking Carrying Case, Phone Pouch. High Shielding...
  • 🙌EFFECTIVE, EMF BLOCKING FABRIC: The Halsa EMF Blocking phone pouch interior fabric is comprised of 100% silver which offers the highest possible...
  • 👍ONE SIZE FITS MOST: This radiation blocking pouch/sleeve will fit most smart phones on the market today. The sleeve measures 8 inches tall by 4...
  • ✅ SHIELDING CAPABILITY: Reduces WiFi at both 2.4 and 5GHz, Bluetooth, Cell Signals including 5G networks, GPS, RFID, and radio signals with 60-80dB....
  • 😎PROTECTION ON THE GO: The best part about our sleeve, other than being lined with 100% silver fiber fabric, is that it is flexible, portable, and...
  • 🌞LIVE MORE, WORRY LESS: Our radiation protection hat will help to eliminate the anxiety about everyday radiation and the dangers that come with it....
Bestseller No. 18
DefenderShield Universal Cell Phone Radiation Protection 5G & EMF Blocker Wallet Case - RFID...
  • ✅ ULTIMATE PROTECTION FROM EMF RADIATION & 5G → Contains custom EMF blocking Ultra Armor Shielding Technology in the front cover of the Universal...
  • ✅ STAY PROTECTED WHILE CONNECTED → Shielding in the front of the wallet cover gives your phone full service and connectivity, while providing a...
  • ✅ EASY TO USE → Comes with a wallet case cover and metal plates that adhere to the back of existing phone nesting or phone (phone nesting NOT...
  • ✅ FEATURES → Made of 100% high quality vegan leather. Contains 3 convenient RFID-blocking card slots and a cash pocket for credit cards, IDs, and...
  • ✅ COMPATIBLE WITH MOST SMARTPHONES → Fits Apple iPhone, Samsung, Google Pixel, Android, Motorola, Huawei, LG, Oppo, and more. Please see...
Bestseller No. 19
Radiation Blocker for Cell Phone Cell Phone Jammer - 2X EMF Protection for Cell Phone W Duel Anti...
  • {2 POCKET DESIGN} Our Emf phone case doubles as a Faraday phone case. The front pocket is an EMF protector while the back pocket acts as a faraday...
  • {STAY SAFE FROM CELL PHONE EMF EXPOSURE} Crescita’s EMF cell phone protection, ensures both the functionality of a faraday bag while also allowing...
  • {RFID CELL PHONE CASE} In the front of the faraday bag, you will see an RFID Pouch. Have credit card organization and faraday bags cell phone...
  • {SAFEGUARD YOUR PHONE} with our Faraday phone pouch, a convenient and effective solution for reducing EMF’s. Our phone emf blocker, is light weight,...
  • {MONEY BACK}Purchase with confidence thanks to our 100% satisfaction guarantee - try our EMF blocker risk-free today!
Bestseller No. 20
LVFEIER Security Pouch - Cell Phone Anti-Tracking Anti-Spying GPS RFID Signal Blocking Bag Shielding...
  • POWERFUL CELL PHONE RADIATION PROTECTION: Reduces your exposure to cellular phone radiation by up to 99%, to shield your body and reproductive organs...
  • ANTI SIGNAL :When you do not want to answer the phone,you do not need to turn off the phone any more,you just need to put the phone into the silvery...
  • RFID BLOCKING& ANTI-RADIATION:It will prevent electronic information from leakage.If the phone is placed in this pocket,the radiation from the phone...
  • CONVENIENT DESIGN: Made of extremely high-shielding fabric with velcro closure, makes it easy to slide phone in and out.
  • SIZE:18.5cm(7.28")x10.5cm(4.13").Suitable for a variety of mobile phone models.Durable, Portable and Easy to Use.
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FAQ:

Q: How do I block unwanted calls on sentry?

A: – Create White List at setup, so you can enjoy automatic blocking right from the start. When an unlisted caller hears SENTRY’s voice message and presses 0, the caller’s number will be automatically saved to the White List. Now you can turn SENTRY’s ring off if you need to. Why is SENTRY so effective?

Q: How do I set up automatic blocking on sentry?

A: – Create White List at setup, so you can enjoy automatic blocking right from the start. When an unlisted caller hears SENTRY’s voice message and presses 0, the caller’s number will be automatically saved to the White List. Now you can turn SENTRY’s ring off if you need to.

Q: Will Sentry stop all robo calls?

A: At this point, 100% robo calls will be stopped, 99% of solicitor callers will leave. The second line of defense is SENTRY’s Black List function. You can put any number on SENTRY’s caller id list to the Black List.

Q: How does Sentry’s Black List work?

A: The second line of defense is SENTRY’s Black List function. You can put any number on SENTRY’s caller id list to the Black List. In reality, the first line of defense is so effective, you rarely need to add a number to the Black List. For the legitimate callers, SENTRY lets you create a White List.