#  Proximity badges

 [ ![GRADE 4 – The Highest Level of Security in Access Control. RACS 5 with a Compliance Certificate.](https://www.roger.pl/templates/yootheme/cache/5b/grade-4-blog-5ba8302e.jpeg)

###  GRADE 4 – The Highest Level of Security in Access Control. RACS 5 with a Compliance Certificate.

 31 July 2025

 Blog & News

In the world of security systems, there is no room for compromise—especially when the safety of people, data, and infrastructure is at stake. The GRADE classification system allows for precise determination of the level of protection required for a given facility. The highest level—**GRADE 4**—is intended for the most demanding and strategically important environments, such as military facilities, government administration, research laboratories, or critical infrastructure.

At **Roger**, we not only understand these needs—we deliver solutions that meet them effectively.

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=1373&catid=202&lang=en-GB&Itemid=1039)

 [ ![SPIN Extra 2024 Conference](https://www.roger.pl/templates/yootheme/cache/76/SPIN_Extra_4-764c1cf0.jpeg)

###  SPIN Extra 2024 Conference

 28 February 2024

 Events

From 21 to 22 March 2024, **the SPIN Extra** conference took place at the Radisson Blu Resort & Conference Center in Ostroda.

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=1262&catid=203&lang=en-GB&Itemid=1039)