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BS121

The HME DX121 system is comprised of the BS121 base station, BP200 beltpack or WH200 wireless headset, and compatible headsets. The DX121 supports 1 full-duplex or 4 push-to-transmit shared beltpacks, while providing interface option to 4-wire intercom systems only. It is a highly portable and versatile system that can be plugged directly into the headset jack of any intercom station or into a four-wire connection of a device such as a digital matrix intercom. The 2.4 GHz frequency-hopping, Spectrum Friendly technology allows up to eight DX121’s to be used together to support multiple channel applications. The DX121 can be used to support wireless channels for theatrical and live crew events, broadcast control room operators, technical support crews and for connecting remote staff at large venues.

HME DX121 Base Station Highlights:

  • Headset Connector Connectivity
    can be connected to most hardwired intercom headset jacks for instant wirelesscommunication.
  • Four-Wire Connectivity 
    interfaces to four-wire/matrix intercoms and radio based communication systems. Assignable relay closure for advanced functionality.
  • Built-In Battery Charger 
    One-port battery charger charges a remote Communicator® battery in under three hours.
  • Spectrum Friendly™
    Frequency Range can be selected for low band only (2401.92 – 2439.936 MHz) high band only (2443.392 – 2481.408 MHz) or full band (2400-2483.5 MHz).
  • Digital Frequency-Hopping, Spread Spectrum (FHSS)
    Encryption Technology ensures confidential communication. Approved for worldwide use.
  • Assignable Relay Closure
    Provides advanced functionality when used with matrix intercoms or radio based communication systems.
  • Expandable
    Compatible with the entire HME DX 200 and 100 series of digital wireless intercom products.
  • Four-Wire I/O Connection
    600 Ω balanced, level adjustable.
  • Headset I/O Connection
    200 Ω, level adjustable for interfacing to a Dynamic MIC headset connector.
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Technical Specifications

System Specifications

Frequency Range: . . . . . . . . . .2400-2483.5 MHz
Frequency Response: . . . . . . .200 Hz to 3.5 kHz
Power Requirements . . . . . . .100–240VAC, 50-60Hz or 12-14VDC
Temperature Range . . . . . . . .-4-131°F (-20-55°C) Typ.
Size . . . . . . . . . . . . . . . . . . . . . . .1.62” x 5.50” x 7.88” (4.1cm x 14cm x 20cm)
Weight . . . . . . . . . . . . . . . . . . . ..1.2 lbs. (.59kg) with battery
4-Wire I/O . . . . . . . . . . . . . . . . …600 Ω balanced, level adjustment
Headset I/O . . . . . . . . . . . . . . . .200 Ω balanced, level adjustment
Antenna Type . . . . . . . . . . . .. . .External, dual diversity ½-wave dipole
(R-TNC connector)
System Distortion . . . . . . . . . .<2%
Communication Security . . .64-bit encryption dual slot diversity
Transmission Modes . . . . . . . .Continuous (Latched) or Push-to-Talk (PTT)

Transmitter Specifications
Type . . . . . . . . . . . . . . . . . . . . . .Frequency-Hopping, Spread Spectrum (FHSS)
Transmit Power . . . . . . . . . . . .100mw Burst
Modulation Type . . . . . . . .. . . .Gaussian filtered FSK, TDM
Frequency Stability . . . . . . . . .13 ppm
Harmonics/Spurious . . . . . . . .Exceeds FCC and ETSI specifications over temperature

Receiver Speci fications
Type . . . . . . . . . . . . . . . . . . . . . .Frequency-Hopping, Spread Spectrum (FHSS)
RF Sensitivity . . . . . . . . . . . . . .<-90dBm w 10-3 BER
Frequency Stability . . . . . . . . .13 ppm
Distortion . . . . . . . . . . . . . . . . .<2%
FCC License . . . . . . . . . . . . . . . .Not Required

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BS121

  1. Brochures

    • Wireless Communication Brochure

      3.20 MB  Download

  2. User Manuals

    • DX121_Operating_Instructions

       Download

  3. Datasheet