Replaces Motorola PMMN4021 PMMN4021A PMMN4027 PMMN4027A PMMN4039 PMMN4039A. HT750, HT1250, HT1250 LS, HT1550, HT1550LS. GP140, GP320, GP328, GP329, GP338, GP339, GP340, GP360, GP380, GP600, GP640, GP650, GP680, GP1280.
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