Australian-Made 4G Caravan & RV Alarm and Monitoring
Trek Transponder connects you to your caravan or RV with fast, reliable 4G SMS and optional MMS Full HD images straight to your phone. (MMS is the picture version of SMS.)
We recommend SMS/MMS for simplicity and reliability: nothing to install, no logins, and no ongoing subscriptions.
Built Tough, All-in-One
Self-contained, ruggedised and IP67 weather-sealed for long-term reliability. No scattered modules or corroding connectors.
- Internal connector strip for cameras, temperature probes, door/cover switches and power inputs
- Water-resistant cable glands for clean, secure wiring
- No disposable batteries or flimsy Bluetooth gadgets
Monitors Every Second
Continuous 1 Hz scanning of battery voltage, GPS position, mains power, door & cover sensors, temperature, tilt/movement, and fire/smoke.
- Instant alerts by SMS, email or phone call
- 1-second GPS checks so towing/movement is caught immediately
- 24/7 “always-on” alarms for gas/smoke and other critical inputs
Camera Options (IR Night)
Capture clear images day or night with infra-red (IR) lighting. Use power-saving mode so cameras/IR only switch on for alarms or when you request images.
- HD photo bursts on alarm
- On-demand image requests
- Scheduled photo updates
Simple SMS Control
Send a text to check status, request photos, or toggle outputs like siren or scene lights. Installation is DIY-friendly for 12 V users or any auto electrician. (Click here for install details.)
- Lock Number security
- Up to 5 alarm recipients
- Heartbeat status messages
Safety You Can Trust
The mains-power input is opto-isolated to reduce interference and false alarms — a step many low-cost devices skip.
- Phone-call alerts
- Time-stamped incident logs
- Low-signal and low-battery alerts
Advanced Options
Expand as you go: email event logging, incident reports, automatic status heartbeats, and optional satellite integration (e.g. Starlink) for remote locations.
Check your caravan or RV any time — confirm mains power is on, batteries are healthy, doors and covers are closed, location is correct, and get HD photos for instant peace of mind.