Garmin OnDeck GTB 10 Boat Monitoring System, Security Sensor Included, Temperature Sensor Included, Shore Power Sensor Included, Controls Up to 5 Switches, 3G/4G Cellular, NMEA 2000, 10-32V, IPX7, 48-Hour Battery Backup
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Overview
The Garmin 010-02134-00 is an OnDeck Hub that lets you track, monitor, and control key boat systems from the ActiveCaptain app using Wi-Fi and 3G/4G cellular connectivity. It runs on 10 to 32 Vdc and has an internal backup battery that can keep the hub accessible for up to 48 hours if boat power is disconnected.
It can send text alerts for events like a triggered security sensor, shore power loss, bilge activity, battery voltage changes, and temperature alarms. GPS tracking supports geofence alerts, with location updates every 15 or 30 minutes depending on power status, and vessel data can be stored in the cloud for up to 30 days.
On boats with Garmin electronics, it can tie into the Garmin Marine Network and an NMEA 2000 backbone to bring additional data into one place, then add wired sensors and relay switching where you need it.
Key features
- Input voltage range: 10 to 32 Vdc (covers common 12 V and 24 V systems)
- Cellular connectivity (3G/4G) plus onboard Wi-Fi for setup and local access
- Internal backup battery supports access for up to 48 hours after a power disconnect
- Remote control of up to five relay switches from the hub and the app
- Monitoring support for 2 bilge pumps, 2 battery voltage inputs, shore power, temperature, and up to 30 security sensors
- GPS tracking with geofence and offline alarms; monitoring interval listed as 15 minutes
- Physical size without antennas: 9.1 x 1.9 x 5.6 in (23.1 x 4.9 x 14.2 cm); weight: 1.4 lb (0.64 kg)
- Power consumption up to 20 W at 10 Vdc
Installation and setup
Mount the hub where it stays above the waterline and has ventilation, with connectors facing up on a horizontal surface or out on a vertical surface. Antennas need to be oriented toward the sky for reception; if the hub is installed inside a cabin, placing it near a window helps with cellular signal.
The power lead uses an in-line 7.5 A fast-acting fuse (rated 42 V). For continuous monitoring when the ignition is off, power is typically taken directly from the boat battery rather than through an ignition feed.
Connectivity and system integration
Connect the hub to a compatible Garmin chartplotter over the Garmin Marine Network and to your NMEA 2000 backbone to pull in compatible data such as depth, wind, fluid level, and engine information. Switch control can also be expanded using NMEA 2000 momentary or latching switch support through supported digital switching interfaces.
Remote access requires an active subscription and cellular coverage at the boat. Your phone or tablet also needs its own connection to reach the system when you are away.
Use cases on board
This setup fits boats that sit unattended at a dock, on a mooring, or in storage, where shore power drops, bilge pump activity, or an open entry point are the main concerns. It also works well when you want simple remote control over a few onboard circuits like a charger, refrigerator, or cabin lights while keeping tabs on location.
What's included
- OnDeck Hub
- OnDeck security sensor
- OnDeck temperature sensor
- OnDeck shore power sensor
- OnDeck relay switch 12 Vdc
- Power cable
- In/out data cable (19-pin), sensor/relay output
- Garmin Marine Network cable
- NMEA 2000 drop cable
- NMEA 2000 T-connector
Maintenance and care
Keep unused connectors capped and check sensor wiring for corrosion if it lives in a damp locker. Staying current with app and device updates helps keep alerts, switching, and connectivity behaving consistently over time.
We ship all in-store (FL) stock orders the same day if placed before 3 PM EST, Monday through Friday. Orders placed after this time will ship the next business day. Orders fulfilled from other warehouses or manufacturers may not ship the same day. If an item is out of stock, we will notify you promptly.