![Maretron SIM100 Switch Indicator Module [SIM100-01] Marine Navigation & Instruments | Compasses *Best to replace during winterize](https://cdn.shopify.com/s/files/1/0499/1942/6726/files/34159XL.jpg?v=1691791152)
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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
*Best to replace during winterize or spring start-up for optimum results
External dimension (H x W) - 3-7/8” x 9-1/8”
This 1 1/2" d"iameter extension mast can be used to increase height of an antenna and thus improve effective range
NMEA 2000 certified or NMEA 0183 cable
Garmin GPSMAP 238
Maretron SIM100 Switch Indicator Module [SIM100-01] Marine Navigation & Instruments | Compasses *Best to replace during winterizeSIM100 Switch Indicator Module Maretron's Switch Indicator Module monitors switch closure devices including, but not limited to, safety equipment (heat, smoke, carbon monoxide, explosive vapor detectors), security systems (motion, vibration, glass break, door and port hole magnetic switches), and vessel monitoring equipment (valve closed open, high water bilge). The SIM100 continually monitors these switch closure devices and broadcasts information of
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