Compact speaker microphone HM158LA with 2-pin screw down connector, revolving clip, and stereo mic/mono speaker. F1000S F1000T F1000D F1100D F2000S F2000T F2000D F2100D. F4001 F4002 F4003 F4011 F4021 F4022 F4023 F4031 F4042 F4101D F4102D F4210D F4230DS.
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