--- product_id: 169856038 title: "SYX SHARKS Car Key Signal Blocker - Anti Theft Faraday Box, Protects Keyless Entry Car Keys from Relay Attack - Includes FREE BONUS RFID Blocking Card to protect contactless cards" brand: "syx sharks" price: "2190642₫" currency: VND in_stock: false category: "Automotive" url: https://www.desertcart.vn/products/169856038-syx-sharks-car-key-signal-blocker-anti-theft-faraday-box store_origin: VN region: Vietnam --- # SYX SHARKS Car Key Signal Blocker - Anti Theft Faraday Box, Protects Keyless Entry Car Keys from Relay Attack - Includes FREE BONUS RFID Blocking Card to protect contactless cards **Brand:** syx sharks **Price:** 2190642₫ **Availability:** ❌ Out of Stock ## Quick Answers - **What is this?** SYX SHARKS Car Key Signal Blocker - Anti Theft Faraday Box, Protects Keyless Entry Car Keys from Relay Attack - Includes FREE BONUS RFID Blocking Card to protect contactless cards by syx sharks - **How much does it cost?** 2190642₫ with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/169856038-syx-sharks-car-key-signal-blocker-anti-theft-faraday-box) ## Best For - syx sharks enthusiasts ## Why This Product - Trusted syx sharks brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Product Highlights Protect yours and your family assets. Creates a Faraday cage around your keys in order to block any signals emanating from car keyfobs. Stops modern relay attacks used by car thieves. Large enough to cater for multiple keys (including spares). Discreet design allows for keys to be hidden away from view. Always know where your keys are. FREE 1 * SYX | SHARKS RFID Blocker Card with each order (normally £7.49). Specification Dimensions: 16.2 x 12.4 x 9.3 cm (WxDxH) Colour: Black Material (External): Polyurethane (PU) Leather Material (Internal): Radio Frequency (RF) Shielding Material Weight: 475g Packing List 1 * SYX | SHARKS Car Key Signal Blocker 1 * SYX | SHARKS RFID Blocker Card 1 * Product Insert Protective Packaging About Us We are a small UK based company and we understand there are other options on . That's why we will refund you 100% of your money if you have any issues. Simply return the product to us for a quick replacement or full refund. Look out for us on Social Media! ## Features - PROACTIVE SECURITY OF YOUR ASSETS - Modern cars are increasingly susceptible to theft via their keyless car fobs. Take pro-active steps now and utilise a SYX | SHARKS Car Key Signal Blocker to protect yourself and your family. - SECURE BY DESIGN - The hardwood blocking case is lined internally with a high quality radio frequency (RF) shielding material and externally with faux leather. When the case is closed this creates a Faraday cage which shields the keys from emitting any signals. - ELEGANT AND DISCREET - The external dimensions of the signal blocking case are 16.2 x 12.4 x 9.3 cm (WxDxH). Externally the case has a discreet design ensuring attention is not drawn to its contents whilst providing total peace of mind. - ADDED BONUS - FREE RFID Blocking Card with every case (normally £7.49). This can be kept in a wallet or purse to prevent anyone scanning your contactless cards while you are in public areas. No batteries required. - GUARANTEED PURCHASE - We are a small UK based company and our aim is to grow by only selling premium products to discerning customers. Satisfaction guaranteed or your money back. - ›See more product details ## Images ![SYX SHARKS Car Key Signal Blocker - Anti Theft Faraday Box, Protects Keyless Entry Car Keys from Relay Attack - Includes FREE BONUS RFID Blocking Card to protect contactless cards - Image 1](https://images-na.ssl-images-amazon.com/images/I/81EDaTxhUgL.jpg) ![SYX SHARKS Car Key Signal Blocker - Anti Theft Faraday Box, Protects Keyless Entry Car Keys from Relay Attack - Includes FREE BONUS RFID Blocking Card to protect contactless cards - Image 2](https://images-na.ssl-images-amazon.com/images/I/81rmArvjwDL.jpg) ![SYX SHARKS Car Key Signal Blocker - Anti Theft Faraday Box, Protects Keyless Entry Car Keys from Relay Attack - Includes FREE BONUS RFID Blocking Card to protect contactless cards - Image 3](https://images-na.ssl-images-amazon.com/images/I/71aKucSJmzL.jpg) ![SYX SHARKS Car Key Signal Blocker - Anti Theft Faraday Box, Protects Keyless Entry Car Keys from Relay Attack - Includes FREE BONUS RFID Blocking Card to protect contactless cards - Image 4](https://images-na.ssl-images-amazon.com/images/I/6148QV1ACsL.jpg) ![SYX SHARKS Car Key Signal Blocker - Anti Theft Faraday Box, Protects Keyless Entry Car Keys from Relay Attack - Includes FREE BONUS RFID Blocking Card to protect contactless cards - Image 5](https://images-na.ssl-images-amazon.com/images/I/81nO8y4LF1L.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/169856038-syx-sharks-car-key-signal-blocker-anti-theft-faraday-box](https://www.desertcart.vn/products/169856038-syx-sharks-car-key-signal-blocker-anti-theft-faraday-box) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-06-08*