Motorola DLR Series: DLR1020, DLR1060 Motorola AX Series: AXU4100, AXV5100. Motorola CLS Series: CLS1110, CLS1410. New Motorola RLN6423 Earpiece Flexible Swivel Earpiece also known as the HKLN4604. Motorola RLN6423A Lightweight Swivel Earpiece W/ PTT Microphone.
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