Murata Wireless

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HN-211U

2.4 GHz Serial Modem

Click here if you need additional technical information,
to inquire about samples or to discuss your custom needs.


• 2.4GHz Frequency Hopping Spread Spectrum Technology
• 1.23Mbps over the air data rate
• 921Kpbs (USB only) and 115Kbps I/O data rates
• 64 Hopping Patterns
• FCC Certified and CE marked
• Integral 6dB patch antenna
• RS-232 asynchronous or USB serial interface
Click here if you need additional technical information,
to inquire about samples or to discuss your custom needs.


download data sheet Rev Date 03/14/08

download product manual

  • Features
  • AppNotes
  • Buy Now
The HN-211 is a versatile, low cost, multi-purpose 2.4 GHz frequency-hopping wireless data modem. Built around the WIT2411 radio, the HN-211 has an integral 6dB patch antenna creating a “single piece” modem. Communication with the HN-211 is through a 921.6kbps (USB version only) or 115.2Kbps (USB or RS-232 versions) asynchronous serial port supporting a standard RS-232 interface. The HN-211 communicates over the air at 1.23Mbps and supports both point-to-point and point-to-multipoint networks.

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    This paper examines the unique requirements and challenges of wireless communications in an industrial setting and provides an overview of RFM wireless products designed specifically for these applications. The information presented serves as a guide for systems integrators and end users responsible for factory floor automation, industrial/PLC control, SCADA, telemetry and related data communications applications. (~ 136 KB, Adobe PDF format.)
    Wireless Transceivers—Make or Buy?
    In choosing to add wireless data capability to a new or existing product, every designer faces a critical decision: whether to engineer the functionality in-house or buy a ready-made module for the application. This paper provides a cost analysis to explore the relative merits of each approach. (~ 160 KB, Adobe PDF format)
Case Studies
    Digital sign control
    A maker of commercial electronic signs chose RFM HopNet wireless serial modems to replace costly cabling runs.
    Heavy duty automation
    Wireless communications from databases to crane scales automate aluminum manufacturing.
    Parking control
    Upgrading a parking facility to monitor space availability without cutting cable trenches.
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