
The HISN provides an elevated vantage point, allowing security officers to monitor a wide area more effectively. The height advantage enhances visibility, reducing blind spots and enabling early detection of potential threats. Equipped with high-tech surveillance tools, such as night vision cameras and motion sensors, HISN significantly improves situational awareness.
The presence of well-equipped, HISN acts as a strong deterrent against potential intruders, criminals, and hostile entities. Knowing that security forces are stationed in a fortified structure discourages unauthorized entry and hostile actions, reducing the likelihood of security breaches.
This chart is designed to simplify the understanding of protection levels set by the European Committee for Standardization. It outlines the CEN EN 1063 and EN 1522/1523 ballistic standards for bullet-resistant material performance.
| Level | Weapon Type | Caliber | Weight (g) | Range (m) | Speed (m/s) | Shots |
|---|---|---|---|---|---|---|
| B1 | .22LR | 2.6 ± 0.1 | 10.00 ± 0.5 | 360 ± 10 | 3 | |
| B2 | ![]() | 9mm Luger | 8.0 ± 0.1 | 5.00 ± 0.5 | 400 ± 10 | 3 |
| B3 | .357 Magnum | 10.2 ± 0.1 | 5.00 ± 0.5 | 430 ± 10 | 3 | |
| B4 | ![]() | .44 Magnum | 15.6 ± 0.1 | 5.00 ± 0.5 | 440 ± 10 | 3 |
| B5 | ![]() | 5.56 x 45mm | 4.0 ± 0.1 | 10.00 ± 0.5 | 950 ± 10 | 3 |
| B6 | 7.62 x 51mm | 9.5 ± 0.1 | 10.00 ± 0.5 | 830 ± 10 | 3 | |
| B7 | ![]() | 7.62 x 51mm AP | 9.8 ± 0.1 | 10.00 ± 0.5 | 820 ± 10 | 3 |

The European Committee for Standardization (CEN) is a leading organization responsible for creating and maintaining technical standards across numerous sectors in Europe. Its standards cover a wide range of industries, including construction, healthcare, and defense, ensuring that products and services meet high levels of safety, quality, and reliability.