Inter-M Desktop remote paging microphone station for ARM-911



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The RM-911D is a versatile remote microphone station equipped with a ten-key keypad for easy zone selection. It allows users to activate pre-recorded messages with a simple key press. The unit features a unidirectional dynamic microphone mounted on a 14-inch gooseneck extension for precise audio capture. An audio signal level meter displays input and output signal levels, while an LED display indicates the ready/busy status. Designed for use with the ARM-911 Automated Remote Messaging controller, the RM-911D is remotely powered by 24VDC supplied by the ARM-911 controller.



  • Direct broadcasting of Emergency Message
    By pressing one of 10 instant play buttons, message file can be directly played.
  • Remote Control of ARM-911
    Using RM-911D/W, emergency message of ARM-911 can be controlled at remote place.
  • Emergency Broadcasting using MIC
    Using MIC of RM-911D/W, emergency voice broadcasting can be done at remote place.
  • Talk mode
    Using mode switch, TALK mode can be set.
  • Chime
    Using mode switch, Chime can be used.
  • Monitor Speaker
    Chime and MIC voice can be monitored using installed monitor speaker.
  • External Adaptor (OPTION)
    External Adaptor can be used to extend the operable cable length.
    When external adaptor is used the power consumption ARM-911 is decreased.
  • MIC INPUT (1kHz): Balanced
  • Input Sensitivity: -50dBu ±3dB
  • Signal to Noise Ratio (S/N, 20kHz LPF, A-WTD): NOR: 65dB, LIM: 60dB
  • Total Harmonic Distortion (THD, 20kHz LPF): NOR: 0.3%, LIM: 0.7%
  • Frequency Response: (+1/-3dB): 150Hz - 18kHz
  • Monitor Amp: 0.5W 16Ω
  • Maximum Operable Distance CAT5E (50℃):
    Cable resistance ≤ 30Ω: 300m
    30Ω< Cable resistance ≤ 80Ω: 100m
  • Power Source: 24VDC (From ARM-911)
  • Power Consumption (From ARM-911 DC 24V): 4.8W
  • Weight (SET): 1.37kg
  • Dimensions (SET): 200(W)x67(H)x206(D)mm / 3.9(W)x2.6(H)x8.1(D)in


*Specifications are subject to change without notice.

Inter-M Desktop remote paging microphone station for ARM-911

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Australian owned since 1980


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