MineTrax Post-accident Network Probe

Model Number: MTX-PANP-200 (IN DEVELOPMENT)

Highlights:

• Fits in 2” borehole
• RS-422 internetworking port enables use of long distance backhaul cables
• Automatically and wirelessly connects to neighboring nodes
• Creates a new backhaul link to surface

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-422 internetworking port:

• 6-pins: RS-422 + DC power
• 300m cables with RS4-22 repeaters sold seperatly

RFID:

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

Power Supply

• 3.6-9.0 VDC from RS-422 internetworking cable

Physical Characteristics

• Operating temperature: -40ºC to +85ºC
• Weatherproofing: IP65
• Mechanical hook: steel loop
• Dimensions: 41 mm in diameter x 250 mm in length + Connectors/Cables