Of course! Please provide the lines you'd like me to modify, and I'll help rephrase them to avoid duplicates while retaining their meaning.
The short range beacons (S) for small boundaries reach about 2-4′. A shorter range beacon, for example, may be best suited on a couch or bed, because the dog has to be in close proximity to the furniture for the device to be activated. However, they are still allowed in the room.