UR4S

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UR4S Specification

  • Power supply: Internal power supply
  • Battery status: Yes
  • Further specs:
    • RF Carrier Frequency Range: 470-952 MHz, depending on region
    • Working Range: UR1, UR2, UR1M: 150 m (500 ft.), under typical conditions, 500 m (1600 ft) line-of-sight, outdoors for a single system
      • NOTE: Actual working range depends on RF signal absorption, reflection and interference
    • Audio Frequency Response: 40 – 18,000 Hz,(+1 dB, –3 dB).
    • NOTE: Overall system frequency response depends on the microphone element
    • Gain Adjustment Range
    • UR1, UR1M: –20 to +35 dB
    • UR2: –10 to +20 dB
    • Modulation: FM (45 kHz max. deviation), compander system with pre- and de-emphasis
    • RF Power Output
    • See table above.
    • Dynamic Range: >105 dB, A-weighted
    • Image Rejection: >110 dB typical
    • RF Sensitivity
UR4S UR4D
–110 dBm Typical

12 dB SINAD

–107 dBm Typical

12 dB SINAD

–105 dBm Typical

30 dB SINAD

–102 dBm Typical

30 dB SINAD

    • UR4S UR4D
    • –110 dBm Typical
    • 12 dB SINAD
    • –107 dBm Typical
    • 12 dB SINAD
    • –105 dBm Typical
    • 30 dB SINAD
    • –102 dBm Typical
    • 30 dB SINAD
    • Spurious Rejection: >90 dB typical
    • Ultimate Quieting (ref. 45 kHz deviation): >100 dB, A-weighted
    • System Distortion (ref. ± 45 kHz deviation, 1 kHz modulation): <0.3% Total Harmonic Distortion typical
    • Power Requirements: 100 to 240 Vac, 50/60 Hz
    • Current Drain: 0.8 Amps max.
    • Battery Life (Typical): UR2: 9.5 hours (low power), 6 hours (high power)
    • Operating Temperature Range: –18° to +57° C (0° to +135° F)
      • NOTE: Battery characteristics may limit this range
      • NOTE: Electrical safety approval is based on a maximum ambient temperature of 35°C (95°F).
    • Overall Dimensions: 44 mm H x 483 mm W x 366 mm D (1.72 x 19.00 x 14.39 in.)
    • Net Weight: 4.8 kg (10.6 lbs)
    • Housing: Galvanized steel