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Hydrological Equipment


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RF500M Radio Modem, -55 to +85C

Item No.:
2.00 LBS
Please Call (614)297-9877 for Pricing.

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Click the button below to add the RF500M Radio Modem, -55 to +85C to your wish list.

The RF500M is a versatile radio modem for networks with UHF/VHF radios. It can serve as a field modem connected to a datalogger, as a stand-alone repeater not connected to a datalogger, or as a base-station modem connected to a computer. This radio modem works with our RF320-series radios, our RF310-series radios, our RF300-series radios, or any radio and modem combination that outputs a demodulated byte stream via RS-232.

Benefits and Features:

  • Supports multiple radio configurations
  • Uses software (i.e., DevConfig) instead of hardware modifications to upgrade the operating system (OS) and change RF ID or other settings
  • Provides an RS-232 port (DTE) for modem configuration or attachment of an RS-232 radio
  • Avoids all collisions within a network, thus increasing polling speeds and reducing overall current drain


  • Voltage: 7 to 20 Vdc
  • Current Drain: < 15 mA (active)
  • Temperature Range: 
    -55° to 85°C (extended)
  • Dimensions:
    16.0 x 9.5 x 2.2 cm
    (6.31" x 3.69" x 0.88")
  • Weight: 0.18 kg (0.4 lb)