What is the affect of different materials blocking a RadioLinx RLX-IH signal?

The increase in attenuation can be as high as 3DB. the following provides some examples of the attenuation values of common office construction:

• plasterboard wall 3db
• glass wall with metal frame 6db
• cinder block wall 4db
• office window 3db
• metal door 6db
• metal door in brick wall 12.4db