The S5 Trekker is a compact Meshtastic communication device for hikers and preppers

The S5 Trekker Bravo and the S5 Trekker Mini are two Meshtastic-enabled radios designed by SpecFive LLC, a team of engineers based in the United States.

s5 minitrekker trekker
S5 Trekker and MiniTrekker

Both devices are based on the Heltec Wireless Tracker from Heltec Automation. The Wireless Tracker integrates Espressif’s ESP32-S3 system-on-a-chip, a 160 x 80 TFT LCD, a SemTech SX1262 LoRa chip, and a Unicore UC6580 GNSS chip.

The MiniTrekker is much lighter than the Trekker Bravo and features a built-in attachment hook for connecting it with other gear. Both radios are built to be durable enough to resist the rigors of outdoor exploration. They come pre-flashed with the open-source Meshtastic software and are ready to be used out of the box.

The S5 Trekkers are intended to be used when hiking, trekking, and partaking in other outdoor activities that take one away off the well-trodden path. It is also useful for setting up a reliable communication network in the event of emergencies.

We have covered similar solutions for outdoor enthusiasts such as the Trekko Pico, TTGO T-Beam, and TTGO LoRa32.

S5 Trekker specifications:

  • Development Board – Heltec Wireless Tracker, with
  • LoRa Frequency – 915 MHz
  • Antenna –  915 Mhz LoRa antenna / GPS Ceramic antenna
  • Urban Range – ~1.6 to 4.8 km
  • Rural Range – ~4.8 to 8 km
  • USB – USB-C port for charging
  • Battery
    • 18650 Li-ion battery (Bravo), 1200mAh LiPo Battery (MiniTrekker)
    • Battery Life
      • Bravo: 8 hrs active / 24 hrs standby
      • MiniTrekker: 3 hrs active / 6 hrs standby
  • Dimensions – 140 x 50 x 40 mm (Bravo), 83 x 39 x 20 (MiniTrekker)
  • Weight –  165 g (Bravo), 64g (MiniTrekker)
  • Case Material – PETG
S5 MiniTrekker
S5 MiniTrekker

The MiniTrekker is also configured to work with the Android Team Awareness Kit (ATAK) software. You will need to install the ATAK and Meshtastic apps on your phone and set them up to work with the MiniTrekker.

The S5 MiniTrekker and the S5 Trekker Bravo are priced at about $99 and $119 respectively on the Tindie store.

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18 Replies to “The S5 Trekker is a compact Meshtastic communication device for hikers and preppers”

  1. Sorry if I sound dumb, but I have not understood what the *purpose* of this device is. I’m not seeing any microphone/speaker, nor keyboard so I really don’t understand what type of communication it aims at providing. Or is it a receiver only for alerts ? But then why would a range be indicated. Confused.

      1. I have read the previous article before asking, but the use case seems to strange to me that I was certain I was missing something. So it’s supposed to send a GPS location periodically, and receive text messages from some location or another device having a keyboard maybe ?

        1. Yes. It is meant to be paired with the Meshtastic app on an Android smartphone. Meshtastic allows you to send text messages and other information to other people in your private mesh network.

    1. It binds with your cellphone or tablet for GUI. Then provides a short range network that can be meshed.

  2. I have to admit I have a hard time understanding the purpose of such devices. In mountainous terrain, at sea, in large desert areas, this will have no more coverage than cellular, probably a lot less, with negligible bandwidth. Absence of line of sight is a killer. If there’s no cellular coverage, the only realistic option is satellite.

    1. Carry one into the sky with a drone and you’ve got 80 miles of texting messaging coverage anywhere!

  3. As there is a Meshtastic build for the Heltec Wireless Tracker, apart from loading the firmware, all they did was make a case. Fine for them & marketing, but rather dilutes CNX’s reporting if this qualifies as ‘news’.

    1. Yes I agree. I own one of these Heltec gear and except 3d printed case & the small tft display It’s just the same for 4 or 5 times less.

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