Detecting passive tag from all directions

[Dknot--]

Hello,

I have following kind of question: Is there a solution to detect passive tags, for example RFID tags from multiple directions? I would need some kind of simple technology by which tag could be detected from any direction from certain distance, let's say 2 centimeters. So basically, what I am looking for is detection of some kind of passive element from certain distance from any direction. Any ideas how to solve this problem?

Thanks already for answers and follow up questions,

- Dknot