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RMX232 - UHF Radio Modem

The RMX232 Radio Modem provides a reliable wireless communications link between two serial devices. The RMX232 can be used in a variety of data communications applications that require a simple to use invisible data link.
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RMX232 Radio Modem


Part Number:
   RMX232-433.920 (10mW)
   RMX232-433.920P (25mW AUS)
   RMX232-434.650 (10mW)

   RMX232-868.850 (EU)
   RMX232-918.525 (3mW AUS)

 
User Manual (PDF)
 

Datasheet (PDF)

 

RMX232 Overview

High speed data streaming permits point-to-point error free transfers up to 14400bps half duplex.

Repeater mode enables the Radio Modem to extend the effective operating range of a point-to-point link by forwarding data packets to a maximum of 3 repeater hops.

The Radio Modem uses unit & site addressed data packets with error checking and packet acknowledgements to achieve a well managed highly reliable wireless link. The on-air data rate is selectable from 600 to 14400 bps, thus improving network access for multiple point-to-point links within close proximity.

Configure the RMX232 for point-to-multipoint broadcast mode and combine with any number of intelligent host computers/ controllers to implement very large networks.

The RMX232 Radio Modem supports a range of built-in diagnostic functions that can be used for network interrogation, network problem finding and radio site & range testing.

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FEATURES:

  • Addressable Point-to-Point, Point-to-Multipoint
    and Broadcast Multidrop

  • Licence exempt operation

  • Serial protocol. 8 data/1 stop/ no parity

  • DTE Speed selectable 600-115200bps

  • Air data speed selectable  600-14400bps (UHF)

  • DTE flow control - hardware/software/none

  • 96 byte serial receive/transmit buffer

  • On-air data encryption and 100% code balancing.

  • Increased range with external antenna

  • Simple built-in command line configuration

  • Built-in RF link diagnostics

  • Remote over-air unit configuration

  • Modem status indicators

  • Low operating current. Auto standby mode

  • Low profile extruded aluminium enclosure.

  • 7-15V DC power supply.

 

OPERATING SPECIFICATIONS

  • Operating voltage of 7 to 15VDC

  • Average current of 36mA (data streaming).

  • Standby current of 15mA.

  • Shutdown current of 440uA, for long-term battery operation (DTR activated).

  • Physical: Width 62mm, Depth 24mm, Height 103mm. (excludes antenna)

  • Operating temperature of 0 to 60 degrees C

RADIO SPECIFICATIONS

  • Radio approval EN 300-220-1,
    ETS 300-683, AS4268.2 

  • Australian C-Tick Approval

  • Transmit power:
    151.275MHz - 100mW (AUS)
    151.300MHz - 100mW (AUS)
    151.600MHz - 100mW (AUS)
    173.225MHz - 100mW (NZ)
    173.250MHz - 100mW (NZ)
    173.250MHz - 10mW (EU)

  • Receiver sensitivity -120dB for 1ppm BER (UHF)

  • Aerial: SMA female connector

 

ORDERING INFORMATION:

For further information and product pricing please contact our sales department. 

Please note printed manuals are not supplied with the radio modems.  This is available via the link below.