Newtrax - Wireless Node
Network Extensions

Wireless Node

— Model Number —NTX-WN-300

Device Highlights

  • Battery-powered wireless multi-hop router with years battery life

  • Option of external line power for use in areas where wires are not problematic

  • Provides both mobile access and backhaul routing functionality

    Device Specifications

    — Networking —

    RF front end:
    • 902-928, 902-915, 915-928 MHz
    • NMO antenna connector
    • +3dBi omnidirectional antenna
    • TX radiated power: configurable from 1mW to 25mW
    • RX sensitivity: at least -100 dBm
    • 32 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
    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)
    Wireless multi-hop 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
    Internetworking port
    • 4-pin RS-232 serial port for optional connection to Gateway
    • Unique 32-bit identification number
    • User configurable label set via Central Server web console

    — I/O interface for instrumentation —

    • 4-pin RS-232 internetworking port, if not used for internetworking, can be used to connect Modbus devices

    — Firmware options —

    • MineHop fixed router
    • MineTrax tag
    • Modbus master (device specific, not included by default, call for details and pricing)

    — Power Supply —

    • Battery-powered with replaceable battery pack
    • Battery life: typical = 3 years (depends on level of network activity), minimum = 1 year (standard warranty)
    • Low-battery alarm sent to Central Server provides at least 1 week of advance notice
    • Option of external 5-14 VDC line power via 4-pin RS-232 port

    — Physical Characteristics —

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