If your boat still relies on legacy instrument displays such as the ST50, ST60, ST40 (and other classic SeaTalk-based instruments like the ST80, ST290, Tridata, and Wind displays), then you know how reliable these units have been. However, they were never designed for the wireless, app-based world we live in today. With the ST Wireless gateway, you can unlock the data from your existing SeaTalk (SeaTalk1/SeaTalk) instrument network and broadcast it wirelessly to tablets, smartphones, onboard computers and modern apps—keeping the proven instruments but gaining modern smart-boat features.

Why this matters

Legacy systems like the ST50, ST60 and ST40 are fantastic for what they were designed to do: speed/log/depth/wind at the helm, sturdy hardware, familiar interface, and full compatibility with Raymarine’s SeaTalk bus.
But owners often face issues when they want to:

• access instrument data remotely (cockpit, deck, tablet)
• log data, share it via wireless or mobile apps
• integrate instrument data with newer multifunction displays or networked systems
• avoid the cost and disruption of replacing all the instrument heads and cabling

By adding a wireless gateway like ST Wireless, you can bridge the best of both worlds: keep your trusted ST-instruments, and open the door to modern data access.

How it works

1. The ST Wireless gateway connects into your existing SeaTalk (or compatible) instrument network.
2. It translates the data from the instrument bus and broadcasts it via WiFi/Bluetooth (or other wireless protocol) to your device(s).
3. Your tablet/smartphone (running compatible marine-data apps) receives the data, displays gauges, logs sessions, or shares it via the cloud (if configured).
4. You continue to use the instrument heads (ST50/ST60/ST40/ST80/ST290 etc.) as normal—and you gain wireless access without fully rewiring or replacing the entire instrument suite.

Benefits for the boat owner

• Cost-effective upgrade: Rather than replacing every instrument head and sensor, you utilise the existing system and add the wireless gateway.
• Flexibility in display: Use smartphones or tablets to view instrument data from anywhere onboard (cockpit, bow, stern).
• Data logging & sharing: Capture instrument readings during passages, review later, share with crew or via remote access.
• Future-proofing: As you expand your boat’s electronics (autopilot, chart-plotter, other sensors), the wireless gateway becomes a bridge enabling legacy instruments to participate.
• Minimal disruption: Little to no change to dash layout, wiring stays intact, system downtime kept to a minimum.

Typical installation scenario

• Identify your SeaTalk backbone and instruments (ST50 speed/log, ST60 depth, ST40 wind, ST80 Tridata etc.).
• Locate a convenient mounting point for the wireless gateway unit, with power.
• Connect the gateway to the SeaTalk bus (splice or plug, depending on your wiring).
• Configure the gateway (set WiFi SSID/password, select data channels).
• On your tablet/phone, launch a marine-instrument app that supports the wireless gateway.
• Verify you are receiving depth, speed, wind, log and any other sensors.
• Consider mounting a secondary display or using the device in the cockpit for remote visibility.

Apps and ecosystem – data everywhere

With the wireless gateway in place, you can choose from a variety of apps that support instrument-data display, logging and sharing. Many of them support SeaTalk data translation, and with the gateway broadcasting your data, you’ll be able to feed them seamlessly. For example:

• Chart-plotting apps on iPad/Android that overlay instrument data in real time.
• Logging apps that record speed, depth, wind for later review or performance tracking.
• Remote monitoring apps allowing you to check your boat’s instrument status via your phone while at anchor.
  In essence, your old ST50/ST60/ST40 displays become data sources, not the only way to view the data.

Why legacy systems still matter

The ST50, ST60, ST40, ST80 and ST290 instrument lines are time-tested. Rather than discard them, a smart owner uses them and layers on modern connectivity. Many boat owners resist the full-replacement path because their dashboards are still fully functional. The wireless gateway approach preserves investment and lowers upgrade risk.

Choosing your gateway – what to consider

When selecting a wireless gateway to bridge older instrument networks, look for:

• Compatibility with SeaTalk so your ST-series system is supported.
• WiFi/Bluetooth output so your mobile devices can connect easily.
• Support for standard marine data formats so apps will accept the data.
• Adequate certification/robustness for marine environment (vibration, moisture, power transients).
• Good documentation, app support and future-proofing.

Why ST Wireless by Nauti-Control is a compelling choice

• Specifically targeted at owners of older SeaTalk instrument suites (ST50, ST60, ST40, ST80, ST290 etc.), recognising their value and life-cycle.
• Designed for minimal disruption: plug & play where possible, dashboard remains intact.
• Enables modern data-centric features (logging, app display, remote access).
• Supports the brand’s ethos of modular, connected marine solutions (fits with your Nauti-Control brand direction).
• Clear upgrade path: if you later add newer systems, the gateway becomes the bridge rather than orphaning your legacy instruments.