and (2) reflections of the signal from walls or other objects can be comparable in intensity to the original signal and can reach the receiver with significant delays, interfering with the main signal.
(reflections of the signal from walls or other objects; can be; comparable in intensity to the original signal) (reflections of the signal from walls or other objects; can reach; the receiver)
reflections of the signal from walls or other objects reflections of the signal from walls or other objects
can be can reach
comparable in intensity to the original signal
the receiver