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