Spec5 MiniTrekker MKII

The Spec5 MiniTrekker MKII is a compact GPS-enabled LoRa mesh communicator built for reliable off-grid messaging, location sharing, and emergency communication. Available in ESP32-S3 and nRF52 editions, it features an upgraded external antenna, USB-C charging, rugged PETG construction, and support for Meshtastic, MeshCore, and ATAK-compatible firmware.
ESP32-S3: Best for Wi-Fi, MQTT, and custom integrations.
nRF52: Best for extended battery life and off-grid reliability.
Regular price $74.99
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Spec5 MiniTrekker MKII

Spec5 MiniTrekker MKII

Product Description
Specs
User Guide

Spec5 MiniTrekker MKII – Compact GPS LoRa Mesh Communicator for Off-Grid Communication

What’s Included in the Box 

  • Spec5 MiniTrekker MKII
  • USB-C Charging Cable
  • Carabiner
  • Digital User Guide
  • Pre-configured Firmware (selected during purchase)

Key Features

  • Long-Range LoRa Mesh Communication: Stay connected without cellular service using a powerful 915 MHz LoRa mesh network.
  • Built-In GPS: Share your location and GPS coordinates across your mesh network in real time.
  • External High-Gain Antenna: Improved antenna design delivers stronger signal performance and greater communication range.
  • 28 dBm High-Power LoRa Radio: Enhanced transmit power provides better signal penetration and more reliable connectivity.
  • Two Hardware Options: Choose the ESP32-S3 Edition for Wi-Fi and MQTT support or the nRF52 Edition for maximum battery efficiency.
  • Up to 3× Longer Battery Life: The nRF52 Edition offers significantly longer runtime for extended off-grid use.
  • Compact & Lightweight Design: Pocket-sized form factor weighs only 63 g, making it easy to carry anywhere.
  • Rugged PETG Enclosure: Durable construction built to withstand demanding outdoor and field environments.
  • USB-C Fast Charging: Convenient 5V USB-C charging for quick and easy recharging.
  • Ready to Deploy: Ships preconfigured and ready to use with minimal setup required.
  • Firmware Flexibility: Compatible with Meshtastic, MeshCore, and ATAK-compatible configurations.
  • Multiple Mounting Options: Attach to backpacks, belts, vehicles, or gear using the included carabiner or optional belt clip.
  • Ideal for Off-Grid Communication: Perfect for hiking, camping, overlanding, emergency preparedness, search & rescue, and team coordination.
  • Bluetooth Connectivity: Easily pair with compatible smartphones for messaging and device management (Wi-Fi also available on the ESP32-S3 Edition).

Use-Case Scenarios

  • Off-Grid Communication: Stay connected without cellular coverage.
  • Emergency Preparedness: Reliable communication during disasters and outages.
  • Hiking & Camping: Keep in touch on remote outdoor adventures.
  • Overlanding: Communicate between vehicles in remote locations.
  • Search & Rescue: Coordinate teams with reliable messaging and GPS.
  • Team Coordination: Share messages and locations across your mesh network.
  • GPS Tracking: Monitor and share real-time locations.
  • Field Operations: Ideal for tactical, security, and outdoor work environments.

Deployment

  • Charge the device via USB-C
  • Pair with a compatible smartphone
  • Select your preferred supported firmware
  • Join or create your LoRa mesh network
  • Begin secure off-grid communication

Disclaimer 

This device operates on the 915 MHz ISM frequency band. Please verify compatibility with your country's local regulations before operation.

Additional Resources

 

Overview
Case Material PETG
Dimensions 21 × 51 × 71 mm (114 mm with antenna)
Weight 63 g
Hardware
MCU ESP32-S3 / nRF52840 (Configuration Dependent)
LoRa Radio SX1262
GNSS UC6580 (L1 + L5 on nRF52 Edition)
Connectivity Bluetooth, LoRa (Wi-Fi on ESP32-S3 Edition)
Power & Battery
Battery 1 × 1200 mAh LiPo
Battery Life ESP32-S3: Up to 4 hrs Active / 12 hrs Standby
nRF52: Up to 12 hrs Active / 48 hrs Standby
Charging USB-C (5V)
Solar Charging N/A
Connectivity
Antenna External 915 MHz High-Gain LoRa Antenna
Frequency 915 MHz LoRa
Urban Range 2–5 Miles
Rural Range 6–10 Miles

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