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Evidence Isolation Bag for European Police agencies preserve digital integrity from arrest to conviction
BLCKR was established to suppport organizations in safeguarding electronic devices throughout storage, usage and transportation.
As portable digital devices have become the primary tools to plan, commit and document crime, the need to isolate them upon an arrest is crucial. The BLCKR Evidence Isolation Bag, designed in Sweden, is tested and in use within multiple units of a national police authority in a EU country and aims to set a new standard.
The BLCKR Evidence Isolation Bag guarantees the integrity of digital evidence by isolating seized devices from all forms of wireless communication during transport and storage.
The products are designed for use on the scene throughout transit to the forensic lab.
2026 marks the beginning of an expansion of the BLCKR initiative to other European police organizations, while developing new features and designs together with users in the field.
Key features
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RF isolation for all bands used by cellular, Wi‑Fi, Bluetooth, GPS/GNSS and NFC to reduce remote wiping, tracking and contamination risks.
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Several layers, highly conductive fabric construction with durable outer shell suitable for field use.
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A clear external window for case ID and chain‑of‑custody labelling without exposing the device.
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Velcro locking closure with fold‑over to maintain isolation; compatible with tamper‑evident seals.
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Available in multiple sizes for phones, tablets, laptops and duffelbag & backpack; custom sizes on request.
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All products have a unique serial number.
We can produce almost everything that needs physical signal protection.
Models: Phone, Tablet, Laptop, bags and box. Custom sizes/products will be produced in cooperation with you.
Please contact us for reference at a national Police Authority!
The Difference Between a regular bag and the BLCKR Evidence bag
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When mobile phones or computers are seized, evidence must be secured immediately. A regular bag only protects against dirt and physical damage – it does not block radio signals. This means a suspect or accomplice can still remotely erase, encrypt, or manipulate the contents.
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The BLCKR bag is developed to meet police requirements and is already used by Swedish investigative units. It completely isolates the device from mobile networks, Wi-Fi, Bluetooth, GPS, and other signals – from arrest to lab analysis. This ensures the integrity of the evidence and legal security throughout the entire chain.
