MineTrax Battery-powered Wireless Network Infrastructure Node

Model Number: MTX-BWNIN-200

Highlights:

  • Network infrastructure for tracking, texting and telemetry
  • Provides both mobile access and backhaul routing functionalities

Minetrax Networking

RF front end:

  • 902-928 MHz
  • NMO antenna connector
  • +3dBi omnidirectional antenna
  • TX radiated power: -1 dBm up to +14 dBm
  • RX sensitivity: -105 dBm
  • 64 x 200 kHz channels
  • Typical omnidirectional range in underground mines: 50 m to 150 m depending on antenna placement, tunnel dimensions and curvature, obstructions and rock type
  • Typical omnidirectional range on surface: 50 m to 600 m depending on antenna placement and obstructions

Mesh networking protocol:

  • 16-bit network address
  • Ad hoc self-organizing and self-healing
  • Routing capability: any-to-any unicast, broadcast, and to/from Central Server via nearest Gateway

Spread spectrum protocol:

  • TDMA / FHSS
  • Synchronization for communications: ad hoc, per link and distributed
  • Hopping speed: once per time slot
  • Hopping pattern: pseudorandom
  • Link level acknowledgements
  • 76.8kbps data rate with effective link throughput up to 2.6 kbps (half duplex)

RS-232 internetworking port:

  • 3-pin RS-232 serial port for connection to Gateway (optional)

RFID:

  • Unique 32-bit identification number
  • User configurable label set via Central Server web console

Power Supply

  • Battery-powered with replaceable battery pack
  • Battery life: typical = 3 years (depends on level of network activity), minimum = 1 year (standard warranty), maximum = 10 years (leaf nodes)
  • Low-battery alarm sent to Central Server provides at least 1 week of advance notice

Physical Characteristics

  • Operating temperature: -40ºC to +85ºC
  • Weatherproofing: IP65
  • Dimensions: 120 mm x 120 mm x 90 mm + Antenna + Connector