Description
Waterproof 9-Pin Speaker Microphone
Intrinsically safe IPX7 marine-style speaker mic for Icom radios.
The Icom HM138 (also designated as HM-138) is a genuine OEM waterproof remote speaker microphone engineered for marine and commercial land mobile two-way radios. Designed to deliver clear voice transmissions in harsh marine and industrial environments, the Icom HM138 features a heavy-duty 9-pin spring-type connector that clamps securely to the accessory interface of host handheld transceivers.
Built with an official IPX7 waterproof rating, the Icom HM138 withstands driving rain, heavy sea spray, and total water submersion up to 1 meter depth for 30 minutes. In addition to robust weatherproofing, the Icom HM138 is Intrinsically Safe (IS) approved for volatile work zones containing flammable gases or vapors. Weighing just 150 grams and equipped with a 420 mm (16.5 Inches) coiled cable, the Icom HM138 provides flexible, hands-free operation without tangling or straining clothing.
Key Features & Benefits
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Intrinsically Safe Approved: Certified spark-protected construction prevents electrical or thermal energy from igniting volatile atmospheric gases or vapors.
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IPX7 Waterproof Protection: Sealed housing protects internal electronics against heavy downpours and water immersion up to 1 meter depth for 30 minutes.
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Icom HM138 9-Pin Spring Connector: Multi-pin spring-type locking connector clamps securely to the host radio chassis to prevent accidental disconnects.
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Compact Coiled Cable: Flexible 420 mm (16.5 Inches) coiled cord expands effortlessly during active use and retracts neatly to prevent snag hazards.
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Lightweight Marine-Grade Housing: Weighs only 150 grams to provide comfortable all-day shoulder wear during long shifts.
Specifications
| Attribute |
Details |
| Brand |
Icom |
| Model/SKU |
HM138 (HM-138) |
| Product Type |
Remote Speaker Microphone |
| Connector Type |
9-Pin Spring Type |
| Ingress Protection |
IPX7 (Waterproof & Submersible) |
| Safety Rating |
Intrinsically Safe (IS) Approved |
| Cable Length |
420 mm / 16.5 Inches (Curled) |
| Weight |
150 g (5.29 oz) |
Compatibility
What’s Included
| Description |
SKU/Model |
Status |
| Icom Waterproof Speaker Microphone |
HM138 |
Included |
Recommended Accessories
Compatible Radios
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Icom IC-F50 VHF Portable Two-Way Radio – Compact commercial handheld transceiver featuring 9-pin accessory interface.
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Icom IC-F60 UHF Portable Two-Way Radio – Commercial UHF handheld radio designed for hazardous and industrial applications.
Batteries & Chargers
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Icom BP227 Li-Ion Battery Pack – High-capacity rechargeable battery pack for F50 and F60 series radios.
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Icom BC152 Desktop Rapid Charger – Drop-in charging base for Icom commercial series batteries.
More Resources
- 5 Benefits of Two-Way Radios Over Cellphones
- How Far Can Two-Way Radios Transmit? Real-World Range Explained
- 15 Myth-Busting Facts About Two-Way Radio Range
- The Science Behind Two-Way Radio Signal Propagation
- Browse All Icom Marine & Land Mobile Radio Accessories & Parts
Frequently Asked Questions
What is the primary function of the Icom HM138 speaker microphone?
The Icom HM138 is a remote speaker microphone that plugs into compatible 9-pin Icom radios, allowing users to transmit and hear audio without unholstering the radio from their belt.
Is the Icom HM138 speaker microphone waterproof?
Yes, the Icom HM138 carries an IPX7 waterproof protection rating, allowing it to withstand rain, splashes, and complete water submersion up to 1 meter depth for 30 minutes.
Is the Icom HM138 intrinsically safe?
Yes, the Icom HM138 is Intrinsically Safe (IS) approved for use with compatible IS-rated Icom portable radios in hazardous or volatile work environments.
Which radio models are compatible with the Icom HM138?
The Icom HM138 is compatible with Icom F50, F60, F70, F80, and M88 series portable radios.
What type of connector does the Icom HM138 use?
The Icom HM138 features a specialized 9-pin spring-type connector block that secures tightly to the host radio accessory port.
How long is the cable on the Icom HM138 speaker microphone?
The Icom HM138 features a durable coiled cable with a base curled length of 420 mm (16.5 Inches), providing comfortable extension without excess slack.
Warranty
1-year manufacturer’s warranty.
