Standard Ssm-21a Speaker Mic Commercial GradeStandard SSM 21A Speaker Microphone Model: SSM 21A The SSM 21A is a high performance Submersible speaker microphone desiged especially for their hand held transceivers.

They are sealed for engine compartment and bilge area applications

Power consumption (standby) - SeaTalkng power supply No power supply to SeaTalkng

Model: 000-15885-001

The Pre-cut hole is 3

Trolling Motor Forward/Down Mount

and Pedestal Mounts

scan between the current channel and emergency channels 16 and 9

Product features:

you can print out the message via a PC

Fish Finder and Sonar

Garmin Panoptix LiveScope™ Transducer Extension Cable (12-pin)

the Pathfinder Pro returns 12 intense blips back to the vessels radar screen