DWA3

868/914MHz Transparent Data Link with Integral Antenna

The DWA3 is a single channel, 869 or 915MHz wideband, transparent data link with a built-in ceramic patch antenna. It has a TDL2A pin-out (and firmware), but uses a BiM3 series radio module.DWA3 acts as a transparent serial cable to attached host. DWA3 is an intermediate level OEM radio modem which is in between a raw FM radio module like BiM3A and a sophisticated OEM radio modem like RPM3. It takes care of preamble, synchronisation, bit balancing and error checking along with automatic noise squelching.

Key Facts

RF Power

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Data Rate

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Two way

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Operational Range

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Data sheet

Features

  • Conforms to EN 300 220-3 and EN 301 489-3
  • Crystal controlled PLL FM circuitry for both Tx and Rx
  • Low noise synthesiser / VCO
  • Built-in ceramic patch antenna
  • SAW front-end filter
  • Single conversion superhet
  • Serial modem baud rate at 9600bps (half-duplex)
  • Addressable point-to-point

Applications

  • PDAs, organisers & laptops
  • Handheld / portable terminals
  • EPOS equipment, barcode scanners
  • In-building environmental monitoring and control
  • Remote data acquisition system, data logging
  • Fleet management, vehicle data acquisition

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