- Model Number: SM18N3
- Item Type: Speaker
- Origin: Mainland China

Product Overview
The SM18N3 speaker microphone for the PT580H Plus carries an IP67 rating, matching the radio in wet or dusty environments.
Compatibility
Hytera PT580H Plus radio.
Typical Use Cases
Outdoor and emergency crews pair IP67 radios with IP67 mics so the whole kit survives rain and dust.
Frequently Asked Questions
Can I use this microphone with the radio on my belt?
Yes. The microphone connects to the radio audio jack while the radio stays on the belt or in a holder, keeping the PTT within easy reach.
Does it work with a headset?
It connects directly to the radio; for headset use, select the matching headset accessory for your radio model.
Which connector fits my radio?
Each earpiece and speaker mic lists its connector (e.g. Motorola M6/M7, Kenwood 2-pin). Match it to your radio series before ordering.
Acoustic tube or wire earpiece?
Acoustic tubes give discreet, clear audio for security work; straight-wire models are more durable in heavy industrial use.
Are these suitable for loud environments?
Yes — heavy-duty speaker mics and headsets with noise-canceling boom mics are built for construction sites and industrial noise.

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