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Amazon.com: HQRP 2-Pin External Ear Loop Headset w/PTT Microphone Compatible with Motorola RDV-5100, RDV-2020, RDU-2020, RDU-2080D, RDU-4100, RDU-4160D, RDV-2080D, RDV-5100 Sun Meter : Electronics
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Amazon.com: Motorola 5100 Series Power Adapter PS12V750MA-004 Compatible with Other Modem Adapter with 12 V Plug : Electronics
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