Remote Speaker Microphone without Audio Jack (IP57). The RSM incorporates both wind porting technology and waterproof capability. The IP57 submersible RSM is tested at 1 meter for 30 minutes which is ideal for outdoor radio communication in wet conditions.
PMMN4023, PMMN4023A, PMMN4023B, PMMN4023C, PMMN4023D
Works with: EX500, EX600, EX600-XLS, EX560-XLS
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