The ICOM HM-126RG is a rugged, waterproof (IPX7) hand speaker/microphone in gray. It’s designed specifically to extend the operational range of compatible ICOM fixed-mount marine VHF radios (like the IC-M504/M604 series), allowing users to communicate clearly from various locations on a vessel.
Technical Specification
General Characteristics:
- Type: Handheld Speaker/Microphone
- Color: Gray (“RG” denotes this color. The “RB” version is black).
- Primary Function: Provides remote transmit (microphone) and receive (speaker) capabilities for compatible ICOM marine VHF radios.
- Built-in Functions: Push-To-Talk (PTT) button.
Audio Specifications:
- Microphone Type: Electret condenser microphone (or similar, designed for clear voice transmission).
- Speaker Output: Integrated speaker for audio reception.
- Impedance: Typically 8 Ohms (common for small communication speakers).
- Power Output: Designed to handle the audio output of the connected radio (usually a few watts, e.g., 2-5W RMS). Specific wattage for the speaker itself is rarely published but corresponds to the radio’s audio output.
Physical & Environmental:
- Construction: Durable, marine-grade plastic housing.
- Waterproof Rating: IPX7 (Ingress Protection rating).
- This means it is protected against the effects of temporary immersion in water. Specifically, it can be submerged in up to 1 meter (3.3 feet) of water for up to 30 minutes without harmful effects.
- Cable Type: Coiled cable.
- Cable Length (Approximate):
- Curled: ~500 mm (19.7 inches)
- Stretched: Can extend significantly (e.g., to 1.5 – 2 meters for flexible use).
- Connector: Round 8-pin connector (designed to mate with specific ICOM radio rear ports). The connector itself may or may not be IPX7 when disconnected, but the mic unit is.
- Operating Temperature: Typically designed for marine environments, e.g., -20°C to +60°C (-4°F to +140°F).
- Mounting: Often comes with a hanger clip for easy storage.
Compatibility:
- Designed for ICOM Marine VHF Transceivers, including (but not limited to):
- IC-M504
- IC-M505
- IC-M603
- IC-M604
- IC-M506 (some variations)
- IC-M605 (some variations)
- (Always verify compatibility with your specific ICOM radio model as ICOM produces many accessories for specific radio series).
Certifications:
- As a marine communication accessory, it will be designed to meet relevant industry standards for performance and environmental resistance, typically aligned with the standards met by the ICOM radios it connects to.
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