UR4S

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
• 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