regenerative receiver

21 LETTERS · STARTS WITH R

regenerative receiver is a valid 21-letter word worth 29 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1E1G2E1N1E1R1A1T1I1V4E1R1E1C3E1I1V4E1R1

1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 0 + 1 + 1 + 3 + 1 + 1 + 4 + 1 + 1 =29 PTS

DOUBLE WORD → 58TRIPLE WORD → 87

MEANING

What does regenerative receiver mean?