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4stm4/README.md

Ocultum 4STM4 – Tactical Communication Device

ocultum device ocultum device

Ocultum 4STM4 is a concept for a secure, cyberpunk-inspired tactical communication device—practical, robust, and modular for engineers, operators, and enthusiasts.

Features

  • Minimal snag points: recessed controls
  • Durable tactile switches, screw-locked body
  • Multi-channel comms: Cellular, LoRa, Wi-Fi, Radio
  • Distinctive "cyber-military" look

Concept Specs

  • Body: Cast aluminum, matte finish, visible screws/rivets
  • Display: High-contrast OLED
  • Controls:
    • 4 slide switches (CELLULAR / LORA / WI-FI / RADIO)
    • 5-way D-pad + OK button
    • 3Ă—4 keypad
  • Comms:
    • Multi-band Cellular (4G/5G)
    • LoRa
    • Wi-Fi 2.4/5GHz
    • VHF/UHF radio (programmable)
  • Power:
    • Removable Li-ion battery
    • Fast USB-C charging, optional solar adapter
  • Other:
    • Encryption (planned)
    • Waterproofing IP67 (planned)
    • Open firmware (planned)

Status

Design and prototyping documentation. Early concept stage—ideas and feedback are welcome!

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