( ( ( Radio waves ) ( with ( frequencies ( in ( the ( 300-3000 kHz ) ) ) ) ) ) ( range . ) )
(ROOT (S (NP (NP (NNP Radio) (NNS waves)) (PP (IN with) (NP (NP (NNS frequencies)) (PP (IN in) (NP (DT the) (CD 300-3000) (NN kHz)))))) (VP (VBP range)) (. .)))
Radio waves with frequencies in the 300-3000 kHz range.
(ROOT (S (NP (NNP Am) (NN radio) (NNS waves)) (VP (VBP exist) (PRT (RP in)) (NP (DT the) (ADJP (QP (CD 540) (TO to) (CD 1600))) (NN khz) (NN frequency) (NN range))) (. .)))